Prof. Subramaniam Anantha Ramakrishna Profile

Prof. Subramaniam Anantha Ramakrishna

Professor at Indian Institute of Technology Kanpur

SPIE Involvement:

Conference Program Committee | Author

SPIE Journal Paper | 18 March 2020

Simple trilayer metamaterial absorber associated with Fano-like resonance

Raghwendra Kumar, S. Anantha Ramakrishna

JNP, Vol. 14, Issue 01, 016011, (March 2020) https://doi.org/10.1117/12.10.1117/1.JNP.14.016011

KEYWORDS: Metamaterials, Gold, Photoresist materials, Zinc, Reflectivity, Absorption, Silicon, Polarization, Magnetism, Transmittance

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SPIE Journal Paper | 31 August 2018

Development of a metamaterial structure for large-area surfaces with specified infrared emissivity

Raghwendra Kumar, Amit K. Agarwal, S. Anantha Ramakrishna

OE, Vol. 57, Issue 08, 087109, (August 2018) https://doi.org/10.1117/12.10.1117/1.OE.57.8.087109

KEYWORDS: Metamaterials, Reflectivity, Zinc, Gold, Silicon, Infrared radiation, Transmittance, Photoresist materials, Absorbance, Lithography

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SPIE Journal Paper | 22 February 2018

Inhomogeneously filled, cylindrically anisotropic metamaterial optical fiber

Dheeraj Pratap, Abhinav Bhardwaj, Subramaniam Anantha Ramakrishna

JNP, Vol. 12, Issue 03, 033002, (February 2018) https://doi.org/10.1117/12.10.1117/1.JNP.12.033002

KEYWORDS: Metamaterials, Anisotropy, Optical fibers, Dielectrics, Structured optical fibers, Terahertz radiation, Waveguides, Homogenization, Wave propagation, Dispersion

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Proceedings Article | 5 May 2015 Paper

Asymmetric and symmetric coupling of surface-plasmon-polariton waves to planar interfaces with periodically patterned slanted columnar thin films of silver

Jhuma Dutta, S. Anantha Ramakrishna, Akhlesh Lakhtakia

Proceedings Volume 9502, 95020R (2015) https://doi.org/10.1117/12.2179008

KEYWORDS: Silver, Contrast transfer function, Thin films, Transmittance, Glasses, Interfaces, Diffraction, Silicon, Semiconducting wafers, Plasmonics

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SPIE Journal Paper | 16 June 2014 Open Access

Special Section Guest Editorial: Metamaterials and Photonic Nanostructures

S. Anantha Ramakrishna, Gopinathan Unnikrishnan, Ramarao Vijaya

JNP, Vol. 8, Issue 01, 083801, (June 2014) https://doi.org/10.1117/12.10.1117/1.JNP.8.083801

KEYWORDS: Metamaterials, Near field optics, Plasmonics, Photonic nanostructures, Physics, Radio optics, Photonic crystals, Refractive index, Plasmas, Nanofabrication

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SPIE Journal Paper | 21 April 2014

Enhanced broadband transmission through structured plasmonic thin films for transparent electrodes

Gangadhar Behera, Subramaniam Anantha Ramakrishna

JNP, Vol. 8, Issue 01, 083889, (April 2014) https://doi.org/10.1117/12.10.1117/1.JNP.8.083889

KEYWORDS: Gold, Transmittance, Plasmonics, Near infrared, Silver, Thin films, Electrodes, Metals, Surface plasmons, Interfaces

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SPIE Journal Paper | 14 February 2014

Simulations and experiments on excimer laser micromachining of metal and polymer

Syed Akhtar, Hirendra Choudhary, Subramaniam Anantha Ramakrishna, Janakrajan Ramkumar

JM3, Vol. 13, Issue 01, 013008, (February 2014) https://doi.org/10.1117/12.10.1117/1.JMM.13.1.013008

KEYWORDS: Metals, Laser ablation, Excimer lasers, Polymethylmethacrylate, Polymers, Optical simulations, Micromachining, Pulsed laser operation, Thermal modeling, Plasma

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Proceedings Article | 22 June 2013 Paper

Device fabrication of insoluble donor–acceptor–donor structured molecule by pulsed laser deposition: a comparative study using different laser source

Swathi K., Arun Rao, Ranjith K., Rajneesh Kumar, S. Ramakrishna, Praveen Ramamurthy

Proceedings Volume 8769, 876933 (2013) https://doi.org/10.1117/12.2020753

KEYWORDS: Nd:YAG lasers, Polymers, Ultraviolet radiation, Laser ablation, Pulsed laser deposition, Infrared lasers, Molecules, Laser sources, Molecular lasers, Absorption

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Proceedings Article | 14 June 2013 Paper

Negative refraction induced modes of Diffuse Photon Density Waves (DPDW) from an interface of absorbing-amplifying random media

Lalruatfela Lalruatfela, S. Anantha Ramakrishna, Harshwardhan Wanare

Proceedings Volume 8799, 87990T (2013) https://doi.org/10.1117/12.2033410

KEYWORDS: Interfaces, Negative refraction, Diffuse photon density waves, Light scattering, Scattering, Wave propagation, Absorption, Modulation, Light wave propagation, Photons

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