Dr. Ravi Kumar Profile

Dr. Ravi Kumar

at SRM Univ., AP - Amaravati

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Author

Publications (2)

Proceedings Article | 31 May 2023 Paper

Enhanced design of pure phase greyscale diffractive optical elements by phase-retrieval-assisted multiplexing of complex functions

Shivasubramanian Gopinath, Andrei Bleahu, Tauno Kahro, Aravind Simon John Francis Rajeswary, Ravi Kumar, Kaupo Kukli, Aile Tamm, Joseph Rosen, Vijayakumar Anand

Proceedings Volume 12574, 1257404 (2023) https://doi.org/10.1117/12.2665170

KEYWORDS: Multiplexing, Holograms, 3D image reconstruction, Spatial light modulators, Sensors, Diffractive optical elements, Phase shifts, Holography, Design and modelling, Lenses

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Proceedings Article | 8 March 2023 Poster + Paper

4D imaging using accelerating airy beams and nonlinear reconstruction

Andrei Bleahu, Shivasubramanian Gopinath, Ravi Kumar, Francis Gracy Arokiaraj, Daniel Smith, Tauno Kahro, P. Praveen, Soon Hock Ng, Agnes Pristy, Tomas Katkus, Aravind Simon John Francis Rajeswary, Kaupo Kukli, Aile Tamm, Saulius Juodkazis, Joseph Rosen, Vijayakumar Anand

Proceedings Volume 12445, 124450Z (2023) https://doi.org/10.1117/12.2649853

KEYWORDS: Airy beams, Point spread functions, Image restoration, Design and modelling, Tunable filters, Phase only filters, Optical filters, Cameras, 3D mask effects, Stereoscopy

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