Dr. Narsingh Bahadur Singh Profile

Dr. Narsingh Bahadur Singh

Research Professor at Univ of Maryland Baltimore County

Publications (80)

Proceedings Article | 7 June 2024 Poster + Paper

Comparison of nano holes and nano pillars moth eye structures for mid-wave infrared

Rachit Sood, Chaoran Tu, Joel Hensley, Douglas Bamford, David Woolf, Narsingh Singh, Curtis Menyuk, Fow-Sen Choa

Proceedings Volume 13030, 130300H (2024) https://doi.org/10.1117/12.3013933

KEYWORDS: Eye, Gallium arsenide, Scanning electron microscopy, Mid infrared, Reflection, Solar cells, Contamination, Refractive index, Lithography, Fabrication

Read Abstract +

Proceedings Article | 7 June 2024 Presentation

Thermal characteristics of multifunctional high Z and high density 2D and 3D crystals

Rachit Sood, Abhishek Singh, Krishna Machuga, Narasimha Prasad, Ching Hua Su, Josh Valencia, Cynthia Tope, Fow-Sen Choa, Brad Arnold, Brian Cullum, N. B. Singh

Proceedings Volume PC13059, PC1305902 (2024) https://doi.org/10.1117/12.3013184

KEYWORDS: Crystals, Binary data, 2D materials

Read Abstract +

Proceedings Article | 7 June 2024 Presentation

Phase transition in hydroxyapatites: bone and laser host materials

Himagowri Prasad, Aria Tauraso, Krishna Machuga, Tagide deCarvahlo, Brian Cullum, Fow-Sen Choa, Brad Arnold, K. Mandal, N. B. Singh

Proceedings Volume PC13059, PC1305901 (2024) https://doi.org/10.1117/12.3013182

KEYWORDS: Bone, Laser applications

Read Abstract +

Proceedings Article | 6 June 2024 Presentation + Paper

Dielectric energy storage materials for space sensors: effect of processing on the performance

Narasimha Prasad, Amalthea Trobare, Aria Tauraso, Ching-Hua Su, Bradley Arnold, Fow-Sen Choa, Brian Cullum, K. Mandal, N. B. Singh

Proceedings Volume 13059, 1305903 (2024) https://doi.org/10.1117/12.3013177

KEYWORDS: Dielectrics, Gallium, Capacitance, Biological samples, Ions, Annealing, Space sensors, Resistance, Capacitors, Calcium

Read Abstract +

Proceedings Article | 6 June 2024 Presentation + Paper

Flux growth of optical sensor zinc selenide crystals

Meghan Brandt, Nicholas Schmidt, Aria Tauraso, Rachit Sood, Ching Hua Su, Bradley Arnold, Fow-Sen Choa, Brian Cullum, N. B. Singh

Proceedings Volume 13059, 1305905 (2024) https://doi.org/10.1117/12.3013178

KEYWORDS: Crystals, Zinc selenide, Zinc, Mixtures, Bioalcohols, Selenium, Sodium, Transition metals, Optical sensors, Particles

Read Abstract +

Proceedings Article | 6 June 2024 Presentation + Paper

Studies of multifunctional Bi12GeO20 compound synthesized by chemical route

Anup Kumar, Manish Kumar Verma, Biswajeet Jena, Dhanesh Tiwary, N. B. Singh, K. Mandal

Proceedings Volume 13059, 1305904 (2024) https://doi.org/10.1117/12.3012321

KEYWORDS: Bismuth, Ceramics, Rhodamine B, Nanoparticles, Ions, Crystals, Electrodes, X-ray photoelectron spectroscopy, Transmission electron microscopy, Sintering

Read Abstract +

Proceedings Article | 13 April 2024 Presentation

Design and low temperature flux growth of multifunctional optical crystals

Narasimha Prasad, Ching Hua Su, Meghan Brandt, Aria Tauraso, Krishna Machuga, Bradley Arnold, Fow-Sen Choa, Brian Cullum, Narsingh Singh

Proceedings Volume PC12882, PC1288205 (2024) https://doi.org/10.1117/12.3003480

KEYWORDS: Crystals, Mid-IR, Long wavelength infrared, Design and modelling, Crystal optics, Gallium, Transparency, Thermal stability, Polishing, Nonlinear optics

Read Abstract +

SPIE Journal Paper | 19 March 2024

Effect of high-energy radiation on the electrical and optical characteristics of bioactive glasses

Aria Tauraso, Krishna Machuga, Joel McAdams, Ching Hua Su, Brian Cullum, Tagide deCarvalho, Narasimha Prasad, Bradley Arnold, Fow-Sen Choa, Kamdeo Mandal, Narsingh Bahadur Singh

OE, Vol. 63, Issue 03, 037105, (March 2024) https://doi.org/10.1117/12.10.1117/1.OE.63.3.037105

KEYWORDS: Glasses, Radiation effects, Dielectrics, Titanium, Mixtures, Selenium, Silicates, Phosphates, Oxides, Crystals

Read Abstract +

Proceedings Article | 19 July 2023 Presentation + Paper

All optical approach to determine quality and performance of sensor materials

Meghan Brandt, Brett Setera, Ian Emge, Ching Hua Su, Bradley Arnold, Fow-Sen Choa, Brian Cullum, Leslie Scherer, N. Singh

Proceedings Volume 12548, 1254805 (2023) https://doi.org/10.1117/12.2661227

KEYWORDS: Crystals, Reflectivity, Zinc selenide, Refractive index, Absorption, Specular reflections, Reflection, Birefringence, Sensors, Surface finishing

Read Abstract +

Proceedings Article | 14 June 2023 Presentation

Predetermination of artifacts in binary and ternary laser and sensor materials using thermodynamic excess functions (Conference Presentation)

Ian Emge, Ching Su, Savika Raina, Krishna Machuga, Rachit Sood, Bradley Arnold, Fow-Sen Choa, Raghaw Rai, Narsingh Bahadur Singh

Proceedings Volume PC12548, PC1254806 (2023) https://doi.org/10.1117/12.2664225

KEYWORDS: Thermodynamics, Sensors, Binary data, Silicon, Semiconductors, Semiconductor materials, Germanium, Crystals

Read Abstract +

Proceedings Article | 14 June 2023 Presentation + Paper

Dielectric and electrical sensing behavior of undoped and doped complex perovskite oxide

Vishnu Shankar Rai, Srikrishna Dutta Verma, Anup Kumar, K. Mandal, Meghan Brandt, N. Singh

Proceedings Volume 12548, 1254803 (2023) https://doi.org/10.1117/12.2663119

KEYWORDS: Dielectrics, Ceramics, Sintering, Grain boundaries, Resistance, Oxides, Materials properties, Crystals, Perovskite, Metals

Read Abstract +

Proceedings Article | 14 June 2023 Presentation + Paper

Disruptive chemical approach to modify perovskites for chemical and biological sensors

Meghan Brandt, Mahack Kazmi, Ching Hua Su, Narasimha Prasad, Bradley Arnold, Fow-Sen Choa, Brian Cullum, Eric Bowman, Krishna Machuga, N. Singh

Proceedings Volume 12548, 1254804 (2023) https://doi.org/10.1117/12.2661233

KEYWORDS: Dielectrics, Annealing, Sodium, Perovskite, Scanning electron microscopy, Sensors, Capacitance, Acetone, Sintering, Capacitors

Read Abstract +

Proceedings Article | 14 June 2023 Presentation + Paper

Effect of processing parameters on sensing of chem-bio agents on surfaces: contact angle-based interactions

Narasimha Prasad, Brett Setera, Ian Emge, Leslie Scheurer, Lisa Kelly, Brad Arnold, Brian Cullum, Fow-Sen Choa, N. Singh

Proceedings Volume 12548, 1254802 (2023) https://doi.org/10.1117/12.2661716

KEYWORDS: Annealing, Polystyrene, Nanoparticles, Sensors, Polymers, Titanium, Particles, Oxides, Mixtures, Materials properties

Read Abstract +

Proceedings Article | 14 June 2023 Paper

Bioactivity of mushrooms against cancer

M. Singh, Vartika Mishra, N. Singh

Proceedings Volume 12548, 1254807 (2023) https://doi.org/10.1117/12.2662755

KEYWORDS: Proteins, Cancer, Chemotherapy, Molecules, Molecular interactions, In vitro testing, Radiotherapy, Oncology, In vivo imaging, Databases

Read Abstract +

Proceedings Article | 8 March 2023 Presentation + Paper

Optical characteristics of radiated multifunctional optical materials

Narasimha Prasad, Eric Bowman, Meghan Brandt, Amalthea Trobare, Ching Hua Su, Bradley Arnold, Fow-Sen Choa, N. Singh

Proceedings Volume 12399, 123990F (2023) https://doi.org/10.1117/12.2653580

KEYWORDS: Electromagnetic radiation, Crystals, Mercury, Acoustooptics, Spectroscopy, Optical filters, Absorbance, Tunable filters, Metals, Laser radiation

Read Abstract +

Proceedings Article | 22 April 2021 Presentation + Paper

Design of ZnSe QPM for wide transparency sensing and laser applications

Rachit Sood, Hedyeh Bagherzadeh, Fow-Sen Choa, Ching Hua Su, Bradley Arnold, Eric Bowman, Brian Cullum, N. Singh

Proceedings Volume 11757, 117570S (2021) https://doi.org/10.1117/12.2585832

KEYWORDS: Semiconducting wafers, Silicon, Gallium arsenide, Computer aided design, Transparency, Scanning electron microscopy, Quartz, Photomasks, Laser applications, Etching

Read Abstract +

Proceedings Article | 12 April 2021 Presentation

Optimization of sensor materials using physical vapor transport growth method

Ian Emge, Dan Kazal, Christopher Cooper, Rachit Sood, Sonali Saraf, Ching Hua Su, Brian Cullum, Fow-Sen Choa, Bradley Arnold, Lisa Kelly, Narsingh Singh

Proceedings Volume 11757, 117570O (2021) https://doi.org/10.1117/12.2586081

KEYWORDS: Sensors

Read Abstract +

Proceedings Article | 12 April 2021 Presentation + Paper

Surface characteristics of polymer nanocomposites

Ian Emge, Leslie Scheurer, Ryan Grant, Narasimha Prasad, Lisa Kelly, Bradley Arnold, Fow-Sen Choa, Brett Setera, N. Singh

Proceedings Volume 11757, 117570X (2021) https://doi.org/10.1117/12.2585834

KEYWORDS: Polymers, Composites, Sensors

Read Abstract +

Proceedings Article | 20 August 2020 Presentation + Paper

Design and measurements of n for the multicomponent semiconductor

Brett Setera, Bradley Arnold, Fow-Sen Choa, Lisa Kelly, Ian Emge, Charmain Su, Krishna Machuga, N. B. Singh

Proceedings Volume 11498, 1149803 (2020) https://doi.org/10.1117/12.2566997

KEYWORDS: Reflectivity, Refractive index, Absorption, Fiber optics, Crystals, Additive manufacturing, Semiconductors, Optical testing, 3D modeling

Read Abstract +

Proceedings Article | 20 August 2020 Presentation

Multifunctional semiconductors for radiation sensors: crystal growth and characterization

Narsingh Bahadur Singh, Ian Emge, Brett Setera, Charmain Su, Fow-Sen Choa, Bradley Arnold, Kamdeo Mandal, Narasimha Prasad

Proceedings Volume 11494, 1149406 (2020) https://doi.org/10.1117/12.2566996

KEYWORDS: Sensors, Crystals, Semiconductors

Read Abstract +

Proceedings Article | 24 April 2020 Presentation + Paper

Chemical and biological sensing using polarity of materials

Ian Emge, Charmain Su, Rachit Sood, Bradley Arnold, Fow-Sen Choa, Lisa Kelly, K. D. Mandal, Manish Verma, N. B. Singh

Proceedings Volume 11416, 1141610 (2020) https://doi.org/10.1117/12.2563877

KEYWORDS: Dielectrics, Capacitors, Perovskite, Copper, Crystals, Biological and chemical sensing, Biosensing, Electrodes, Sensors, Ceramics

Read Abstract +

Proceedings Article | 28 February 2020 Paper

Design and fabrication of nanostructure for mid-IR antireflection surface texturing applications

Rachit Sood, Fatima Nafisa, Douglas Bamford, David Woolf, Joel Hensley, Narsingh Singh, Fow-Sen Choa

Proceedings Volume 11292, 112921F (2020) https://doi.org/10.1117/12.2548392

KEYWORDS: Semiconducting wafers, Gallium arsenide, Photoresist materials, Nanolithography, Photomasks, Etching, Computer aided design, Photoresist developing, Nanostructures, Scanning electron microscopy

Read Abstract +

Proceedings Article | 16 August 2019 Presentation

Bio inspired multifunctional sensors: nanoengineered thermochromic and phase change materials (Conference Presentation)

Narsingh Bahadur Singh, Ching Hua Su, Fow-Sen Choa, Bradley Arnold, Brian Cullum, Eric Bowman, Kamdeo Mandal, Laxman Singh

Proceedings Volume 11020, 1102004 (2019) https://doi.org/10.1117/12.2516040

KEYWORDS: Sensors, Biosensors

Read Abstract +

Proceedings Article | 14 May 2019 Presentation

Nanocomposites for low dose gamma-ray sensor: Effect of matrix and oxidizer on the performance (Conference Presentation)

Vishall Dayal, Narsingh Bahadur Singh, Ching Hua Su, Puneet Gill, Brit Lee, Fow-Sen Choa, Bradley Arnold, Lisa Kelly, Brian Cullum

Proceedings Volume 11010, 110100Q (2019) https://doi.org/10.1117/12.2517435

KEYWORDS: Nanocomposites, Gamma radiation, Sensors, Crystals, Metals, Oxides, Scintillators, Semiconductor materials, Cerenkov radiation imaging, Organic materials

Read Abstract +

Proceedings Article | 13 May 2019 Paper

Design of materials for IR detectors using high Z elements for high energy radiation environment

Sonali Saraf, Christopher Cooper, Ching Hua Su, Fow-Sen Choa, Bradley Arnold, Brian Cullum, David Sachs, Philip DiPaula , N. B. Singh

Proceedings Volume 10980, 109801A (2019) https://doi.org/10.1117/12.2516048

KEYWORDS: Infrared detectors, Refractive index, Lead, Silicon, Sensors, Environmental sensing, Mid-IR, Infrared radiation, Glasses, Space operations

Read Abstract +

Proceedings Article | 13 May 2019 Paper

Distorted perovskites for high voltage dielectric capacitors

Puneet Gill, Hedyeh Bagherzadeh, Fow-Sen Choa, Bradley Arnold, Paul Smith, Ching Hua Su, Manish Verma, Laxman Singh, Kamdeo Mandal, N. B. Singh

Proceedings Volume 10979, 109790F (2019) https://doi.org/10.1117/12.2516044

KEYWORDS: Dielectrics, Copper, Capacitors, Perovskite, Gallium, Calcium, Oxides, Capacitance, Electrodes, Gallium nitride

Read Abstract +

Proceedings Article | 2 May 2019 Presentation + Paper

Importance of lotus effect on surface sensing

Stacey Sova, Narasimha Prasad, Christopher Cooper, Lisa Kelly, Bradley Arnold, Brian Cullum, Fow-Sen Choa, N. B. Singh

Proceedings Volume 11020, 1102005 (2019) https://doi.org/10.1117/12.2519738

KEYWORDS: Nanoparticles, Polymers, Thin films, Polymer thin films, Polymethylmethacrylate, Glasses, Ultraviolet radiation, Absorbance, Scanning electron microscopy, Absorption

Read Abstract +

Proceedings Article | 2 May 2019 Presentation + Paper

Dielectric properties of CaCu3-xMgxTi4O12 (x=0.20 and 0.50) material synthesized by the semi-wet route for energy storage capacitor

Laxman Singh, U. S. Rai, N. B. Singh, Y. Lee, D. K. Mahato, Divyanshu Bhardwaj, K. Mandal

Proceedings Volume 11020, 1102002 (2019) https://doi.org/10.1117/12.2515634

KEYWORDS: Dielectrics, Ceramics, Copper, Magnesium, Diffraction, Chemistry, Ions, X-rays, Capacitors, Scanning electron microscopy

Read Abstract +

Proceedings Article | 2 May 2019 Presentation + Paper

Effect of processing on morphology of hydroxyapatites: bioactive glasses and crystalline composites

Joel McAdams, Eric Bowman, Brian Cullum, Bradley Arnold, Lisa Kelly, Fow Sen Choa, N. B. Singh, Ching Hua Su, K. Mandal, Shruti Singh

Proceedings Volume 11020, 1102006 (2019) https://doi.org/10.1117/12.2516042

KEYWORDS: Glasses, Scanning electron microscopy, Crystals, Raman spectroscopy, Bone, Infrared spectroscopy, Composites, Annealing, Tissues, Microscopes

Read Abstract +

Proceedings Article | 23 May 2018 Presentation + Paper

Effect of additives: Organic-metal oxide nanocomposites for γ-ray sensors

N. B. Singh, Ching Hua Su, Bradley Arnold, Fow-Sen Choa, Christopher Cooper, Stacey Sova, Puneet Gill, Vishall Dayal, Lisa Kelly, Narasimha Prasad, Paul Smith, Brian Cullum

Proceedings Volume 10629, 106290D (2018) https://doi.org/10.1117/12.2301084

KEYWORDS: Composites, Oxides, Sensors, Urea, Nickel, Metals, Nanocomposites, Crystals, Nanoparticles, Particles

Read Abstract +

Proceedings Article | 15 May 2018 Presentation

Surface modification at nanoscale; Nanoparticle-nanowire transition (Conference Presentation)

Narsingh Bahadur Singh, Ching Hua Su, Sam Coriell, Kamdeo Mandal, Fow-Sen Choa, Bradley Arnold, Brian Cullum

Proceedings Volume 10662, 1066202 (2018) https://doi.org/10.1117/12.2301034

KEYWORDS: Absorption

Read Abstract +

Proceedings Article | 14 May 2018 Presentation + Paper

Design and characteristics of hydroxyapatites: effect of radiation

Jayati Bhavsar, Areeba Tufail, Pooja Gautam, Brad Arnold, Fow-Sen Choa, Lisa Kelly, Brian Cullum, Paul Smith, Ching Hua Su, K. Mandal, N. B. Singh

Proceedings Volume 10662, 1066205 (2018) https://doi.org/10.1117/12.2301032

KEYWORDS: Radiation effects, Bone, Tissues, Crystals, Composites, Oxides, Gallium, Glasses, Annealing, Titanium

Read Abstract +

Proceedings Article | 14 May 2018 Presentation + Paper

Crystallization behavior of biochemicals: morphologies and kinetics of complex multinary organics

N. Singh, Jayram Singh, Sarita Rai, Narsingh Bahadur Singh

Proceedings Volume 10662, 1066206 (2018) https://doi.org/10.1117/12.2305726

KEYWORDS: Crystals, Crystallography, Supercooling, Binary data, Solids, Complex systems, Dendrites, Organic materials, Glasses, Liquids

Read Abstract +

Proceedings Article | 14 May 2018 Presentation + Paper

Growth of bio sensor materials by physical vapor transport method

N. B. Singh, Ching Hua Su, Bradley Arnold, Brian Cullum, Fow-Sen Choa, Tara Carpenter, David Sachs, K. D. Mandal

Proceedings Volume 10662, 1066203 (2018) https://doi.org/10.1117/12.2303665

KEYWORDS: Crystals, Sensors, Biosensors, Picosecond phenomena, Chemical vapor deposition, Convection, Technetium, Oxides, Biomimetics

Read Abstract +

Proceedings Article | 23 February 2018 Paper

Optical characteristics of novel bulk and nanoengineered laser host materials

Narasimha Prasad, Stacey Sova, Lisa Kelly, Talon Bevan, Bradley Arnold, Christopher Cooper, Fow-Sen Choa, N. B. Singh

Proceedings Volume 10533, 1053320 (2018) https://doi.org/10.1117/12.2295994

KEYWORDS: Crystals, Lanthanum, Calcium, Silicates, Luminescence, Neodymium, Absorbance, Iron, Chromium, Solids

Read Abstract +

Proceedings Article | 15 September 2017 Paper

Ionizing organic compound based nanocomposites for efficient γ-ray sensor

N. Singh, Ching-Hua Su, Bradley Arnold, Fow-Sen Choa, Vishall Dayal, Monia Kabandana , David House

Proceedings Volume 10392, 1039210 (2017) https://doi.org/10.1117/12.2279121

KEYWORDS: Gamma radiation, Sensors, Composites, Oxides, Carbonates, Photoelectric effect, Chemical species, Nanocomposites, Crystals, Semiconductors

Read Abstract +

SPIE Journal Paper | 19 July 2017

Nanomorphology and performance of pure and doped lead selenide for infrared detector

Narsingh Bahadur Singh, Christopher Cooper, Pietro Strobbia, Narasimha Prasad, Ching Hua Su, Bradley Arnold, Fow-Sen Choa

OE, Vol. 56, Issue 07, 077106, (July 2017) https://doi.org/10.1117/12.10.1117/1.OE.56.7.077106

KEYWORDS: Annealing, Lead, Cadmium, Infrared detectors, Glasses, Silicon, Nanorods, Mid-IR, Tin, Scanning electron microscopy

Read Abstract +

Proceedings Article | 13 July 2016 Paper

Low temperature processing of dielectric perovskites for energy storage

N. Singh, Ben Schreib, Michael Devilbiss, Julian Loiacono, Bradley Arnold, Fow-Sen Choa, K. Mandal

Proceedings Volume 9865, 986509 (2016) https://doi.org/10.1117/12.2220059

KEYWORDS: Perovskite, Dielectrics, Copper, Calcium, Oxides, Capacitors, Lanthanum, Electrodes, Annealing, Crystals

Read Abstract +

Proceedings Article | 13 May 2016 Paper

Effect of pH on the morphology of kidney stones

Neelesh Agarwal, Stacey Sova, N. Singh, Brad Arnold, Fow-Sen Choa, Brian Cullum, Ching-Hua Su

Proceedings Volume 9863, 986303 (2016) https://doi.org/10.1117/12.2219939

KEYWORDS: Crystals, Renal calculi, Oxides, Carbonates, Calcium, Urea, Kidney, Sodium, Glucose, Prisms

Read Abstract +

Proceedings Article | 13 May 2016 Paper

Growth mechanism of nanowires: binary and ternary chalcogenides

N. Singh, S. Coriell, Ching Hua Su, R. Hopkins, B. Arnold, Fow-Sen Choa, Brian Cullum

Proceedings Volume 9863, 986304 (2016) https://doi.org/10.1117/12.2220154

KEYWORDS: Nanowires, Binary data, Chalcogenides, Thallium, Arsenic, Lead, Liquids, Diffusion, Quartz, Chemical species

Read Abstract +

Proceedings Article | 12 May 2016 Paper

Design and growth of novel compounds for radiation sensors: multinary chalcogenides

N. Singh, Ching-Hua Su, Teja Nagaradona, Brad Arnold, Fow-Sen Choa

Proceedings Volume 9824, 982411 (2016) https://doi.org/10.1117/12.2220405

KEYWORDS: Sensors, Chalcogenides, Crystals, Thallium, Oxides, Selenium, Polishing, Arsenic, Quartz, Surface finishing

Read Abstract +

Proceedings Article | 18 May 2015 Paper

Effect of organic flux on the colossal dielectric constant of CaCu3Ti4O12 (CCTO)

Vishnu Razdan, Abhishek Singh, Brad Arnold, Fow-Sen Choa, Lisa Kelly, N. Singh

Proceedings Volume 9493, 949308 (2015) https://doi.org/10.1117/12.2177694

KEYWORDS: Dielectrics, Solids, Composites, Capacitors, Calcium, Copper, Ions, Particles, Polishing, Silver

Read Abstract +

Proceedings Article | 18 May 2015 Paper

Dielectric properties of low temperature nano engineered yttrium copper titanate ceramic

Sunita Sharma, M. Singh, K. Mandal, Narsingh Singh

Proceedings Volume 9493, 949307 (2015) https://doi.org/10.1117/12.2177954

KEYWORDS: Dielectrics, Ceramics, Crystals, Copper, Transmission electron microscopy, Yttrium, Scanning electron microscopy, Particles, Metals, Perovskite

Read Abstract +

Proceedings Article | 13 May 2015 Paper

Growth and morphology of lead tin selenide for MWIR detectors

Christopher Cooper, Pietro Strobbia, Emily Schultheis, Narasimha Prasad, Bradley Arnold, Fow-Sen Choa, Narsingh Singh

Proceedings Volume 9491, 949104 (2015) https://doi.org/10.1117/12.2179724

KEYWORDS: Lead, Tin, Glasses, Silicon, Sensors, Mid-IR, Long wavelength infrared, Annealing, Thin films, Infrared detectors

Read Abstract +

Proceedings Article | 27 February 2015 Paper

Surface characterization studies of orientation patterned ZnSe doped with Cr2+

B. Rami Reddy, Kenneth Schepler, Elizabeth Moore, John Hoelscher, Shiva Vangala, Bruce Claflin, Narsingh Singh, Jonathan Evans, Patrick Berry

Proceedings Volume 9347, 93471M (2015) https://doi.org/10.1117/12.2076075

KEYWORDS: Raman spectroscopy, Chromium, Luminescence, Electrons, Statistical analysis, Crystals, Ions, Scanning electron microscopy, Phonons, Selenium

Read Abstract +

Proceedings Article | 5 September 2014 Paper

Design and growth of lead selenoiodide semiconductors crystals for radiation detection

David House, N. Singh, B. Arnold, Fow-Sen Choa, B. Schreib

Proceedings Volume 9213, 921314 (2014) https://doi.org/10.1117/12.2062047

KEYWORDS: Crystals, Lead, Sensors, Interfaces, Semiconductors, Selenium, Solids, Thermal effects, Metals, Infrared detectors

Read Abstract +

Proceedings Article | 31 May 2013 Paper

Acousto-optical imagers for chemical and biological detection: growth and characterization of Hg2Cl2-xBrx crystals

N. Singh, Milton Gottlieb, Dennis Suhre, Tahira Raja, Bradley Arnold, Mohan Singh, David Machuga

Proceedings Volume 8719, 87190V (2013) https://doi.org/10.1117/12.2014937

KEYWORDS: Crystals, Acousto-optics, Acoustics, Imaging systems, Solids, Transducers, Crystal optics, Long wavelength infrared, Crystallography, Image processing

Read Abstract +

Proceedings Article | 24 October 2012 Paper

Control of the polytypes and line defects in radiation detector materials

N. Singh, W. Duval, R. Hopkins, R. Mazelsky, D. Fox, M. Gottlieb, T. Henningsen, S. Coriell, M. Glicksman

Proceedings Volume 8507, 85070N (2012) https://doi.org/10.1117/12.928472

KEYWORDS: Crystals, Lead, Interfaces, Sensors, Convection, Doping, Silver, Crystallography, Solids, Quartz

Read Abstract +

Proceedings Article | 24 October 2012 Paper

Growth of CZT using additionally zone-refined raw materials

David Knuteson, Andre Berghmans, David Kahler, Brian Wagner, Matthew King, Sean Mclaughlin, Aleksey Bolotnikov, Ralph James, Narsingh Singh

Proceedings Volume 8507, 85070X (2012) https://doi.org/10.1117/12.929982

KEYWORDS: Crystals, Semiconducting wafers, Tellurium, Cadmium, Zinc, Power supplies, Raw materials, Sensors, Switches, Sensor performance

Read Abstract +

Proceedings Article | 15 October 2012 Paper

Nanomorphology of ZnSe on patterned substrate

N. Singh, G. Kanner, K. Green, M. Marable, A. Berghmans, B. Wagner, D. Kahler, D. Knuteson, M. King, S. McLaughlin

Proceedings Volume 8497, 849702 (2012) https://doi.org/10.1117/12.945987

KEYWORDS: Gallium arsenide, Semiconducting wafers, Particles, Silver, Gold, Etching, X-rays, Scanning electron microscopy, Optical lithography, Zinc

Read Abstract +

Proceedings Article | 8 September 2011 Paper

Ternary and quaternary selenide crystals for nonlinear optical applications

N. Singh, D. Knuteson, G. Kanner, A. Berghmans, K. Green, B. Wagner, D. Kahler, M. King, S. McLaughlin

Proceedings Volume 8120, 812002 (2011) https://doi.org/10.1117/12.892573

KEYWORDS: Crystals, Silver selenogallate, Nonlinear crystals, Gases, Transparency, Crystal optics, Gallium, Annealing, Nonlinear optics, Silver

Read Abstract +

Proceedings Article | 13 May 2011 Paper

Nanowire-based photodetectors: growth and development of chalcogenide nanostructured detectors

Matthew King, Sean McLaughlin, David Kahler, Andre Berghmans, Brian Wagner, David Knuteson, Maaz Aziz, Narsingh Singh

Proceedings Volume 8031, 803132 (2011) https://doi.org/10.1117/12.886961

KEYWORDS: Photodetectors, Sensors, Avalanche photodetectors, Microscopes, Chalcogenides, Optical properties, Luminescence, Nanostructuring, Transparency, Nanowires

Read Abstract +

SPIE Journal Paper | 1 November 2009

Optical probes of orientation-patterned ZnSe quasi-phase-matched devices

Gary Kanner, Mike Marable, Narsingh Singh, Andre Berghmans, David Kahler, Brian Wagner, A. Lin, Martin Fejer, James Harris, Kenneth Schepler

OE, Vol. 48, Issue 11, 114201, (November 2009) https://doi.org/10.1117/12.10.1117/1.3257266

KEYWORDS: Second-harmonic generation, Gallium arsenide, Crystals, Signal attenuation, Frequency conversion, Long wavelength infrared, Infrared radiation, Mid-IR, Optical engineering, Zinc

Read Abstract +

Proceedings Article | 12 September 2009 Paper

Properties of layered crystals for radiation detectors: TlGaSe[sub]2[/sub] system

D. Knuteson, N. Singh, D. Kahler, B. Wagner, A. Berghmans, S. McLaughlin, K. Schwartz

Proceedings Volume 7449, 744918 (2009) https://doi.org/10.1117/12.828472

KEYWORDS: Crystals, Gallium, Sensors, Crystallography, Selenium, Absorption, Solids, Diamond, Transmittance, Luminescence

Read Abstract +

Proceedings Article | 24 August 2009 Paper

Infrared characteristics of magnetic iron oxide nanoparticles in a transparent matrix

D. Knuteson, N. Singh, D. Kahler, A. Berghmans, B. Wagner, S. McLaughlin, E. Jelen, M. King

Proceedings Volume 7420, 742016 (2009) https://doi.org/10.1117/12.827979

KEYWORDS: Nanoparticles, Oxides, Iron, Absorption, Transparency, Magnetism, Annealing, Potassium, Infrared radiation, Particles

Read Abstract +

Proceedings Article | 20 August 2009 Paper

(SiC)x(AlN)1-x solid-solution grown by physical vapor transport (PVT) method

N. Singh, B. Wagner, A. Berghmans, D. Knuteson, S. McLaughlin, D. Kahler, M. King, J. Hedrick, G. Bates

Proceedings Volume 7420, 742004 (2009) https://doi.org/10.1117/12.827260

KEYWORDS: Silicon carbide, Luminescence, Crystals, Annealing, Aluminum nitride, X-rays, Scanning electron microscopy, High power lasers, Oxides, Silicon

Read Abstract +

Proceedings Article | 27 August 2008 Paper

High efficiency LWIR AOTF

D. Kahler, N. Singh, M. Gottlieb, D. Suhre, P. Lucey, D. Knuteson, A. Berghmans, B. Wagner, S. McLaughlin

Proceedings Volume 7086, 70860L (2008) https://doi.org/10.1117/12.792561

KEYWORDS: Crystals, Long wavelength infrared, Transducers, Black bodies, Imaging systems, Imaging spectroscopy, Polishing, Acoustics, Acousto-optics, Tunable filters

Read Abstract +

Proceedings Article | 13 February 2008 Paper

Optical probes of orientation-patterned ZnSe quasi-phase-matched devices

G. Kanner, M. Marable, N. Singh, A. Berghmans, D. Kahler, B. Wagner, A. Lin, M. Fejer, J. Harris, K. Schepler

Proceedings Volume 6875, 68750I (2008) https://doi.org/10.1117/12.768553

KEYWORDS: Second-harmonic generation, Crystals, Gallium arsenide, Signal attenuation, Frequency conversion, Long wavelength infrared, Infrared radiation, Mid-IR, Nonlinear optics, Single crystal X-ray diffraction

Read Abstract +

SPIE Journal Paper | 1 January 2008

Operational characteristics of a long-wavelength IR multispectral imager based on an acousto-optic tunable filter

Narsingh Singh, David Kahler, David Knuteson, M. Gottlieb, D. Suhre, Andre Berghmans, Brian Wagner, Jerry Hedrick, Thomas Karr, Jack Hawkins

OE, Vol. 47, Issue 01, 013201, (January 2008) https://doi.org/10.1117/12.10.1117/1.2829768

KEYWORDS: Crystals, Long wavelength infrared, Imaging systems, Acousto-optics, Thallium, Transducers, Cameras, Mercury, Acoustics, Infrared imaging

Read Abstract +

SPIE Journal Paper | 1 June 2007

Crystal growth, fabrication, and design of mercurous bromide acousto-optic tunable filters

David Knuteson, Narsingh Singh, M. Gottlieb, D. Suhre, Neelam Gupta, Andre Berghmans, David Kahler, Brian Wagner, Jack Hawkins

OE, Vol. 46, Issue 06, 064001, (June 2007) https://doi.org/10.1117/12.10.1117/1.2744369

KEYWORDS: Crystals, Acousto-optics, Mercury, Bromine, Transducers, Acoustics, Tunable filters, X-rays, Polishing, Single crystal X-ray diffraction

Read Abstract +

Proceedings Article | 26 April 2007 Paper

Operational characteristics of LWIR AOTF based multispectral imager

N. Singh, M. Gottlieb, D. Suhre, D. Kahler, D. Knuteson, A. Berghmans, B. Wagner, J. Hedrick, T. Karr, J. Hawkins

Proceedings Volume 6554, 65540E (2007) https://doi.org/10.1117/12.721516

KEYWORDS: Crystals, Long wavelength infrared, Transducers, Imaging systems, Acousto-optics, Thallium, Cameras, Acoustics, Microbolometers, Gas lasers

Read Abstract +

SPIE Journal Paper | 1 September 2006

Properties of nonlinear optical crystals in the terahertz wavelength region

Narsingh Singh, Theodore Norris, T. Buma, R. N. Singh, M. Gottlieb, D. Suhre, Jack Hawkins

OE, Vol. 45, Issue 09, 094002, (September 2006) https://doi.org/10.1117/12.10.1117/1.2349516

KEYWORDS: Terahertz radiation, Crystals, Gases, Thallium, Refractive index, Absorption, Nonlinear crystals, Gallium, Spectroscopy, Optical engineering

Read Abstract +

Proceedings Article | 21 September 2005 Paper

SHG experiments in GaSe crystals at high rep rates

N. Singh, M. Marable, R. Jones, K. Green, G. Kanner, M. Fitelson, N. Fernelius, F. Hopkins, A. Berghmans, D. Knuteson, B. Wagner

Proceedings Volume 5912, 59120I (2005) https://doi.org/10.1117/12.620791

KEYWORDS: Crystals, Gases, Second-harmonic generation, Nonlinear crystals, Indium, Solids, Laser crystals, Gas lasers, Sapphire, Phase matching

Read Abstract +

Proceedings Article | 21 September 2005 Paper

Ternary halides: novel NLO compounds for LWIR

N. Singh, D. Suhre, K. Green, N. Fernelius, F. Hopkins

Proceedings Volume 5912, 591203 (2005) https://doi.org/10.1117/12.616612

KEYWORDS: Crystals, Thallium, Transparency, Nonlinear crystals, X-rays, Crystallography, Nonlinear optics, Long wavelength infrared, Mercury, Binary data

Read Abstract +

Proceedings Article | 9 September 2005 Paper

Design and fabrication of mercurous bromide acousto-optic filters

D. Knuteson, N. Singh, N. Gupta, M. Gottlieb, D. Suhre, A. Berghmans, D. Thomson, D. Kahler, B. Wagner, J. Hawkins, M. Fitelson

Proceedings Volume 5881, 58810E (2005) https://doi.org/10.1117/12.620115

KEYWORDS: Crystals, Acousto-optics, Mercury, Bromine, Transducers, Tunable filters, X-rays, Long wavelength infrared, Acoustics, Transparency

Read Abstract +

SPIE Journal Paper | 1 November 2003

Noncollinear optical parametric oscillator design for walk-off reduction in GaSe crystals

Narsingh Singh, Dennis Suhre, Kenton Green, Nils Fernelius, Frank Hopkins

OE, Vol. 42, Issue 11, (November 2003) https://doi.org/10.1117/12.10.1117/1.1614266

KEYWORDS: Gases, Optical parametric oscillators, Crystals, Polishing, Nonlinear crystals, Optical design, Prisms, Selenium, Analytical research, Phase matching

Proceedings Article | 27 July 2000 Paper

Progress in AOTF hyperspectral imagers

Neelam Gupta, Rachid Dahmani, Kelly Bennett, S. Simizu, Dennis Suhre, N. Singh

Proceedings Volume 4054, (2000) https://doi.org/10.1117/12.394104

KEYWORDS: Imaging systems, Hyperspectral imaging, Crystals, Long wavelength infrared, Staring arrays, Sensors, Infrared imaging, Thallium, Polarization, Mercury cadmium telluride

Read Abstract +

Proceedings Article | 29 January 1999 Paper

Comparison of acousto-optic tunable filters and acousto-optic dispersive filters for hyperspectral imaging

Dennis Suhre, Lyle Taylor, N. Singh, W. Rosch

Proceedings Volume 3584, (1999) https://doi.org/10.1117/12.339816

KEYWORDS: Acousto-optics, Imaging systems, Tunable filters, Acoustics, Image filtering, Infrared radiation, Diffraction, Germanium, Infrared imaging, Crystals

Read Abstract +

Proceedings Article | 7 July 1997 Paper

Double-diffusive convection during growth of lead bromide crystals

N. Singh, S. Coriell, Walter Duval, Ching-Hua Su, M. Glicksman, T. Rajalakshmi, A. Stewart

Proceedings Volume 3123, (1997) https://doi.org/10.1117/12.277734

KEYWORDS: Crystals, Lead, Convection, Acoustics, Crystallography, Signal attenuation, Interfaces, Silver, X-rays, Refractive index

Read Abstract +

Proceedings Article | 7 July 1997 Paper

Damping of unsteady flows in the physical vapor transport process

Walter Duval, N. Singh, M. Glicksman

Proceedings Volume 3123, (1997) https://doi.org/10.1117/12.277721

KEYWORDS: Crystals, Radium, Argon, Thermal effects, Convection, Analytical research, Physics, 3D modeling, Scattering, Thermal modeling

Read Abstract +

Proceedings Article | 7 July 1997 Paper

Processing of mercurous chloride in space

C. Watson, N. Singh, A. Thomas, A. Nelson, T. Rolin, J. Griffin, G. Haulenbeek, N. Daniel, J. Seaquist, C. Cacioppo, Jerry Weber, Maria Zugrav, R. Naumann

Proceedings Volume 3123, (1997) https://doi.org/10.1117/12.277725

KEYWORDS: Crystals, Quartz, Video, Safety, Glasses, Switches, Acoustics, Optical signal processing, Signal processing, Convection

Read Abstract +

Proceedings Article | 7 July 1997 Paper

Thermosolutal convection during growth of organic nonlinear optical crystals

T. Rajalakshmi, O. Singh, T. Henningsen, Richard Hopkins, Irving Liberman, N. Singh

Proceedings Volume 3123, (1997) https://doi.org/10.1117/12.277716

KEYWORDS: Crystals, Nonlinear crystals, Interfaces, Convection, Binary data, Transparency, Supercooling, Liquids, Crystal optics, Crystallography

Read Abstract +

Proceedings Article | 12 July 1996 Paper

Processing of mercurous chloride in reduced gravity

C. Watson, N. Singh, A. Thomas, A. Nelson, T. Rolin, J. Griffin, G. Haulenbeek, N. Daniel, J. Seaquist, C. Cacioppo, Jerry Weber, Maria Zugrav, R. Naumann

Proceedings Volume 2809, (1996) https://doi.org/10.1117/12.244337

KEYWORDS: Crystals, Quartz, Safety, Convection, Interfaces, Glasses, Switches, Acoustics, Capillaries, Radiation effects

Read Abstract +

SPIE Journal Paper | 1 August 1994

Noncollinear acousto-optic tunable filter: thallium phosphorus selenide system

Milton Gottlieb, N. Singh, Richard Hopkins, Robert Mazelsky

OE, Vol. 33, Issue 08, (August 1994) https://doi.org/10.1117/12.10.1117/12.176513

KEYWORDS: Crystals, Thallium, Acousto-optics, Tunable filters, Crystallography, Acoustics, Polishing, Infrared radiation, Crystal optics, Beam propagation method

Read Abstract +

SPIE Journal Paper | 1 October 1992

High-performance acousto-optic materials: Hg₂Cl₂ and PbBr₂

Milton Gottlieb, Anastasios Goutzoulis, N. Singh

OE, Vol. 31, Issue 10, (October 1992) https://doi.org/10.1117/12.10.1117/12.58879

KEYWORDS: Crystals, Acoustics, Signal attenuation, Acousto-optics, Lead, Bragg cells, Signal processing, Scattering, Convection, Diffraction

Read Abstract +

Proceedings Article | 24 August 1992 Paper

High-performance acousto-optic materials: Hg2Cl2 and PbBr2

Anastasios Goutzoulis, Milton Gottlieb, N. Singh

Proceedings Volume 1704, (1992) https://doi.org/10.1117/12.139892

KEYWORDS: Crystals, Acoustics, Signal attenuation, Acousto-optics, Signal processing, Lead, Bragg cells, Scattering, Diffraction, Geometrical optics

Read Abstract +

Proceedings Article | 1 December 1991 Paper

Latest developments in crystal growth and characterization of efficient acousto-optic materials

C. Paradies, M. Glicksman, O. Jones, Gusung Kim, Jen Lin, Milton Gottlieb, N. Singh

Proceedings Volume 1561, (1991) https://doi.org/10.1117/12.50748

KEYWORDS: Crystals, Acousto-optics, Mercury, Crystallography, Crystal optics, Signal processing, Frequency conversion, Convection, Analytical research, Long wavelength infrared

Read Abstract +

Proceedings Article | 1 December 1991 Paper

Development of a laser Doppler system for measurement of velocity fields in PVT crystal growth systems

O. Jones, M. Glicksman, Jen Lin, Gusung Kim, N. Singh

Proceedings Volume 1557, (1991) https://doi.org/10.1117/12.49599

KEYWORDS: Crystals, Velocity measurements, Convection, Calibration, Laser Doppler velocimetry, Doppler effect, Laser development, Thermal effects, Laser systems engineering, Laser scattering

Read Abstract +

Proceedings Article | 1 February 1991 Paper

Mercurous halides for long time-delay Bragg cells

Gerald Brandt, N. Singh, Milton Gottlieb

Proceedings Volume 1454, (1991) https://doi.org/10.1117/12.28048

KEYWORDS: Acoustics, Crystals, Bragg cells, Refractive index, Signal processing, Quartz, Information operations, Far infrared, Wave propagation, Acousto-optics

Read Abstract +

Proceedings Article | 1 October 1990 Paper

Mercurous bromide Bragg cell development

Gerald Brandt, N. Singh, Milton Gottlieb, James Davis, Brian Hendrickson

Proceedings Volume 1291, (1990) https://doi.org/10.1117/12.20987

KEYWORDS: Crystals, Acoustics, Bragg cells, Signal processing, Gallium arsenide, Scattering, Transducers, Crystal optics, Quartz, Mercury

Read Abstract +

Showing 5 of 80 publications

Conference Committee Involvement (33)

Photonic Fiber and Crystal Devices: Advances in Materials and Innovations in Device Applications XIX

3 August 2025 | San Diego, California, United States

Smart Biomedical and Physiological Sensor Technology XXII

13 April 2025 | Orlando, Florida, United States

Photonic Fiber and Crystal Devices: Advances in Materials and Innovations in Device Applications XVIII

18 August 2024 | San Diego, California, United States

Smart Biomedical and Physiological Sensor Technology XXI

22 April 2024 | National Harbor, Maryland, United States

Photonic Fiber and Crystal Devices: Advances in Materials and Innovations in Device Applications XVII

20 August 2023 | San Diego, California, United States

Smart Biomedical and Physiological Sensor Technology XX

1 May 2023 | Orlando, Florida, United States

Photonic Fiber and Crystal Devices: Advances in Materials and Innovations in Device Applications XVI

21 August 2022 | San Diego, California, United States

Smart Biomedical and Physiological Sensor Technology XIX

4 April 2022 | Orlando, Florida, United States

Photonic Fiber and Crystal Devices: Advances in Materials and Innovations in Device Applications XV

2 August 2021 | San Diego, California, United States

Smart Biomedical and Physiological Sensor Technology XVIII

12 April 2021 | Online Only, Florida, United States

Photonic Fiber and Crystal Devices: Advances in Materials and Innovations in Device Applications XIV

24 August 2020 | Online Only, California, United States

Hard X-Ray, Gamma-Ray, and Neutron Detector Physics XXI

12 August 2019 | San Diego, California, United States

Photonic Fiber and Crystal Devices: Advances in Materials and Innovations in Device Applications XIII

11 August 2019 | San Diego, California, United States

Smart Biomedical and Physiological Sensor Technology XVI

15 April 2019 | Baltimore, MD, United States

Hard X-Ray, Gamma-Ray, and Neutron Detector Physics XX

20 August 2018 | San Diego, California, United States

Photonic Fiber and Crystal Devices: Advances in Materials and Innovations in Device Applications XII

19 August 2018 | San Diego, California, United States

Smart Biomedical and Physiological Sensor Technology XV

15 April 2018 | Orlando, FL, United States

Photonic Fiber and Crystal Devices: Advances in Materials and Innovations in Device Applications XI

6 August 2017 | San Diego, California, United States

Smart Biomedical and Physiological Sensor Technology XIV

9 April 2017 | Anaheim, CA, United States

Hard X-Ray, Gamma-Ray, and Neutron Detector Physics XVIII

29 August 2016 | San Diego, California, United States

Photonic Fiber and Crystal Devices: Advances in Materials and Innovations in Device Applications X

28 August 2016 | San Diego, California, United States

Smart Biomedical and Physiological Sensor Technology XIII

18 April 2016 | Baltimore, MD, United States

Hard X-Ray, Gamma-Ray, and Neutron Detector Physics XVII

10 August 2015 | San Diego, California, United States

Photonic Fiber and Crystal Devices: Advances in Materials and Innovations in Device Applications IX

9 August 2015 | San Diego, California, United States

Smart Biomedical and Physiological Sensor Technology XII

23 April 2015 | Baltimore, MD, United States

Hard X-Ray, Gamma-Ray, and Neutron Detector Physics XVI

18 August 2014 | San Diego, California, United States

Photonic Fiber and Crystal Devices: Advances in Materials and Innovations in Device Applications VIII

17 August 2014 | San Diego, California, United States

Smart Biomedical and Physiological Sensor Technology XI

7 May 2014 | Baltimore, MD, United States

Hard X-Ray, Gamma-Ray, and Neutron Detector Physics XV

26 August 2013 | San Diego, California, United States

Photonic Fiber and Crystal Devices: Advances in Materials and Innovations in Device Applications VII

25 August 2013 | San Diego, California, United States

Smart Biomedical and Physiological Sensor Technology X

1 May 2013 | Baltimore, Maryland, United States

Hard X-Ray, Gamma-Ray, and Neutron Detector Physics XIV

13 August 2012 | San Diego, California, United States

Operational Characteristics and Crystal Growth of Nonlinear Optical Materials III

31 July 2005 | San Diego, California, United States

Showing 5 of 33 Conference Committees

View contact details

UPDATE YOUR PROFILE

Is this your profile? Update it now.

Sign into your SPIE.org account

Don’t have a profile and want one?

Create an account on SPIE.org

Keywords/Phrases

Search In:

Publication Years