Prof. Prabhat Verma Profile

Prof. Prabhat Verma

Professor at Osaka Univ

SPIE Involvement:

Conference Chair | Conference Program Committee | Editor | Author

Area of Expertise:

Raman Spectroscopy , Plasmonics , Optical Nanoimaging , SERS , TERS , Photoluminescence

Websites:

Personal Website | Company Website

Publications (21)

Proceedings Article | 3 October 2024 Presentation

Plasmon nanofocusing for nano-sensing and nano-optical switching

Prabhat Verma, Takayuki Umakoshi, Hiroshi Arata

Proceedings Volume PC13111, PC131110W (2024) https://doi.org/10.1117/12.3028046

KEYWORDS: Plasmons, Optical switching, Light sources and illumination, Optoelectronics, Optical sensing, Optical antennas, Electrical properties

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Proceedings Article | 5 October 2023 Presentation

Ultrastable tip-enhanced Raman spectroscopic imaging of 2D material systems

Ryo Kato, Takayuki Umakoshi, Prabhat Verma, Taka-aki Yano, Takuo Tanaka

Proceedings Volume PC12654, PC1265402 (2023) https://doi.org/10.1117/12.2675956

KEYWORDS: Imaging systems, Raman spectroscopy, Imaging spectroscopy, Biological imaging, 2D materials, Spectroscopy, Materials properties, Biological samples, Spatial resolution, Semiconductors

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Proceedings Article | 5 October 2023 Presentation

Broadband plasmon nanofocusing for nanoscale optical switching of photochromic materials

Takayuki Umakoshi, Haruki Kidoguchi, Hiroshi Arata, Prabhat Verma

Proceedings Volume PC12654, PC1265404 (2023) https://doi.org/10.1117/12.2675682

KEYWORDS: Plasmons, Photochromic materials, Optical switching, Ultraviolet radiation, Visible radiation, Optical properties, Materials properties, Super resolution, Semiconductors, Nanophotonics

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Proceedings Article | 4 October 2022 Presentation

Broadband nanolight source generated through plasmon nanofocusing and its applications (Conference Presentation)

Takayuki Umakoshi, Koki Taguchi, Hiroshi Arata, Prabhat Verma

Proceedings Volume PC12203, PC1220307 (2022) https://doi.org/10.1117/12.2633200

KEYWORDS: Plasmons, Optical antennas, Photochemistry, Nanophotonics, Light sources, Wave propagation, Spectroscopy, Spatial resolution, Silver, Scattering

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Proceedings Article | 3 October 2022 Presentation

Optical field mapping of nanostructures by means of vibrational spectroscopic techniques

Ryo Kato, Taka-aki Yano, Takayuki Umakoshi, Prabhat Verma, Takuo Tanaka

Proceedings Volume PC12197, PC121970E (2022) https://doi.org/10.1117/12.2631957

KEYWORDS: Nanostructures, Spectroscopy, Spectroscopes, Raman spectroscopy, Optical properties, Infrared radiation, Dielectrics, Visualization, Visible radiation, Surface plasmons

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Proceedings Article | 1 August 2021 Presentation

Broadband plasmon nanofocusing: from fundamental studies to advanced applications

Takayuki Umakoshi, Koki Taguchi, Prabhat Verma

Proceedings Volume 11803, 118030E (2021) https://doi.org/10.1117/12.2596833

KEYWORDS: Plasmons, Scattering, Laser scattering, Visualization, Plasmonics, Optical microscopy, Near field, Nanostructures, Nanophotonics, Nanoimaging

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Proceedings Article | 20 August 2020 Poster

Molecular orientation imaging of single-layer organic semiconducting molecules by polarization Raman microscopy

Toki Moriyama, Takayuki Umakoshi, Koki Taguchi, Yoshiaki Hattori, Masatoshi Kitamura, Prabhat Verma

Proceedings Volume 11468, 114681F (2020) https://doi.org/10.1117/12.2569309

KEYWORDS: Raman spectroscopy, Polarization, Molecules, Organic semiconductors, Semiconductors, Microscopy, Chemical analysis, Spatial resolution

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Proceedings Article | 25 October 2018 Paper

Metallic tips for efficient plasmon nanofocusing and advanced optical nano-imaging

Takayuki Umakoshi, Yuika Saito, Prabhat Verma

Proceedings Volume 10726, 1072607 (2018) https://doi.org/10.1117/12.2319705

KEYWORDS: Plasmons, Silver, Silicon, Coating, Near field optics, Near field scanning optical microscopy, Polarization, Nanoimaging, Near field, Laser scattering

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Proceedings Article | 17 September 2018 Presentation

Low-frequency Raman imaging of MoS2 (Conference Presentation)

Rhea Thankam Sam, Takayuki Umakoshi, Prabhat Verma

Proceedings Volume 10726, 107260Q (2018) https://doi.org/10.1117/12.2322706

KEYWORDS: Raman spectroscopy, Graphene, Optoelectronic devices

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Proceedings Article | 25 August 2017 Paper

Near-field visible light absorption imaging by Raman-nano-light source

Ryo Kato, Yuika Saito, Takayuki Umakoshi, Prabhat Verma

Proceedings Volume 10350, 103500S (2017) https://doi.org/10.1117/12.2275363

KEYWORDS: Absorption, Raman spectroscopy, Near field scanning optical microscopy, Near field, Absorbance, Optical properties

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Proceedings Article | 5 October 2015 Presentation

Metallic nanorods array for magnified subwavelength imaging (Presentation Recording)

Yoshiro Ohashi, Bikas Ranjan, Yuika Saito, Prabhat Verma

Proceedings Volume 9554, 955418 (2015) https://doi.org/10.1117/12.2187716

KEYWORDS: Nanorods, Lithography, Nanolithography, Polymethylmethacrylate, Gold, Super resolution, Color imaging, Nanostructuring, Particles, Control systems

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Proceedings Article | 5 October 2015 Presentation

Polarization analysis in near-field Raman spectroscopy (Presentation Recording)

Yuika Saito, Toshihiro Mino, Prabhat Verma

Proceedings Volume 9554, 95540Y (2015) https://doi.org/10.1117/12.2189054

KEYWORDS: Near field, Polarization analysis, Raman spectroscopy, Polarization, Spatial resolution, Light scattering, Raman scattering, Scattering, Single walled carbon nanotubes, Video

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Proceedings Article | 28 August 2014 Paper

Residual pesticide detection on food with particle-enhanced Raman scattering

Bikas Ranjan, LiChuan Huang, Kyoko Masui, Yuika Saito, Prabhat Verma

Proceedings Volume 9169, 916908 (2014) https://doi.org/10.1117/12.2060775

KEYWORDS: Raman spectroscopy, Resonance enhancement, Surface plasmons, Absorption, Plasmonics, Plasmons, Gold, Nanostructures, Raman scattering, Nondestructive evaluation

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Proceedings Article | 20 September 2013 Paper

A new technique for fabrication of better metallic nanotips for nanoimaging through tip-enhanced Raman spectroscopy

Takayuki Umakoshi, Taka-aki Yano, Yuika Saito, Prabhat Verma

Proceedings Volume 8815, 88150O (2013) https://doi.org/10.1117/12.2024760

KEYWORDS: Silver, Nanoparticles, Raman spectroscopy, Plasmons, Raman scattering, Nanolithography, Spatial resolution, Metals, Scanning electron microscopy, Particles

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Proceedings Article | 18 September 2009 Paper

Magnified color imaging through plasmonic nanolens

Satoshi Kawata, Prabhat Verma

Proceedings Volume 7392, 739219 (2009) https://doi.org/10.1117/12.826627

KEYWORDS: Plasmons, Silver, Image enhancement, Color imaging, Plasmonics, Image resolution, Near field optics, Visible radiation, Radio propagation, Nanorods

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Proceedings Article | 3 April 2008 Paper

Toward single molecule detection through tip-enhanced near-field Raman spectroscopy

Prabhat Verma, Taro Ichimura, Taka-aki Yano, Yasushi Inouye, Satoshi Kawata

Proceedings Volume 6793, 67930H (2008) https://doi.org/10.1117/12.799265

KEYWORDS: Molecules, Raman spectroscopy, Raman scattering, Molecular interactions, Adsorption, Near field, Nanocrystals, Visible radiation, Near field scanning optical microscopy, Spatial resolution

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Proceedings Article | 30 August 2006 Paper

Tip-enhanced near-field Raman scattering and imaging of carbon nanostructures

Prabhat Verma, Taka-aki Yano, Yasushi Inouye, Satoshi Kawata

Proceedings Volume 6324, 63240K (2006) https://doi.org/10.1117/12.683377

KEYWORDS: Single walled carbon nanotubes, Raman spectroscopy, Molecules, Raman scattering, Near field, Metals, Silver, Carbon, Molecular interactions, Near field scanning optical microscopy

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Proceedings Article | 1 March 2006 Paper

The effect of tip-enhancement in near-field Raman scattering of C-60

Prabhat Verma, Kouhei Yamada, Yasushi Inouye, Satoshi Kawata

Proceedings Volume 6106, 61061X (2006) https://doi.org/10.1117/12.645495

KEYWORDS: Molecules, Raman scattering, Raman spectroscopy, Molecular interactions, Near field scanning optical microscopy, Near field, Silver, Light scattering, Scattering, Molecular aggregates

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Proceedings Article | 9 May 2005 Paper

Nondestructive characterization of nanoparticles in solids by Raman spectroscopy and small angle x-ray scattering

M. Herms, G. Irmer, P. Verma, G. Goerigk

Proceedings Volume 5766, (2005) https://doi.org/10.1117/12.602064

KEYWORDS: Scattering, Raman scattering, Raman spectroscopy, Phonons, Particles, X-rays, Nanoparticles, Selenium, Cadmium sulfide, Gallium arsenide

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Proceedings Article | 17 April 2000 Paper

Laser power dependence of the band edge of CdSxSe1-x quantum dots

Prabhat Verma, Gert Irmer, Masayoshi Yamada

Proceedings Volume 3937, (2000) https://doi.org/10.1117/12.382801

KEYWORDS: Luminescence, Nanoparticles, Phonons, Particles, Glasses, Raman spectroscopy, Statistical analysis, Temperature metrology, Electronics, Semiconductors

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Proceedings Article | 29 March 2000 Paper

Raman probe of new laser materials GaAs1-xBix and InAs1-xBix

Prabhat Verma, Martin Herms, Gert Irmer, Masayoshi Yamada, Hiroshi Okamoto, Kunishige Oe

Proceedings Volume 3945, (2000) https://doi.org/10.1117/12.380534

KEYWORDS: Bismuth, Phonons, Raman spectroscopy, Indium arsenide, Gallium arsenide, Crystals, Chemical species, Raman scattering, Semiconductor lasers, Micro raman spectroscopy

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Showing 5 of 21 publications

Proceedings Volume Editor (11)

SPIE Conference Volume | 23 October 2024

Enhanced Spectroscopies and Nanoimaging 2024

SPIE Conference Volume | 19 October 2023

Enhanced Spectroscopies and Nanoimaging 2023

SPIE Conference Volume | 7 November 2022

Enhanced Spectroscopies and Nanoimaging 2022

SPIE Conference Volume | 15 September 2021

Enhanced Spectroscopies and Nanoimaging 2021

SPIE Conference Volume | 6 October 2020

Enhanced Spectroscopies and Nanoimaging 2020

Showing 5 of 11 publications

Conference Committee Involvement (20)

Plasmonics: Design, Materials, Fabrication, Characterization, and Applications XXIII

3 August 2025 | San Diego, California, United States

Enhanced Spectroscopies and Nanoimaging 2025

3 August 2025 | San Diego, California, United States

Enhanced Spectroscopies and Nanoimaging 2024

18 August 2024 | San Diego, California, United States

Plasmonics: Design, Materials, Fabrication, Characterization, and Applications XXII

18 August 2024 | San Diego, California, United States

Enhanced Spectroscopies and Nanoimaging 2023

20 August 2023 | San Diego, California, United States

Plasmonics: Design, Materials, Fabrication, Characterization, and Applications XXI

20 August 2023 | San Diego, California, United States

Plasmonics: Design, Materials, Fabrication, Characterization, and Applications XX

21 August 2022 | San Diego, California, United States

Enhanced Spectroscopies and Nanoimaging 2022

21 August 2022 | San Diego, California, United States

Enhanced Spectroscopies and Nanoimaging 2021

2 August 2021 | San Diego, California, United States

Plasmonics: Design, Materials, Fabrication, Characterization, and Applications XIX

1 August 2021 | San Diego, California, United States

Plasmonics: Design, Materials, Fabrication, Characterization, and Applications XVIII

24 August 2020 | Online Only, California, United States

Enhanced Spectroscopies and Nanoimaging 2020

24 August 2020 | Online Only, California, United States

Plasmonics: Design, Materials, Fabrication, Characterization, and Applications XVII

11 August 2019 | San Diego, California, United States

Nanoimaging and Nanospectroscopy VI

19 August 2018 | San Diego, California, United States

Nanoimaging and Nanospectroscopy V

6 August 2017 | San Diego, California, United States

Nanoimaging and Nanospectroscopy IV

28 August 2016 | San Diego, California, United States

Nanoimaging and Nanospectroscopy III

9 August 2015 | San Diego, California, United States

Nanoimaging and Nanospectroscopy II

17 August 2014 | San Diego, California, United States

Nanoimaging and Nanospectroscopy

27 August 2012 | San Diego, California, United States

Plasmonics: Nanoimaging, Nanofabrication, and their Applications V

2 August 2009 | San Diego, California, United States

Showing 5 of 20 Conference Committees

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