Programmable edge enhancement using volume holographic elements in photorefractive materials

Austin M. Scott; Cameron Mohseni; Partha P. Banerjee

doi:10.1117/12.3028730

30 September 2024 Programmable edge enhancement using volume holographic elements in photorefractive materials

Austin M. Scott, Cameron Mohseni, Partha P. Banerjee

Proceedings Volume 13140, Photonic Fiber and Crystal Devices: Advances in Materials and Innovations in Device Applications XVIII; 131400D (2024) https://doi.org/10.1117/12.3028730
Event: Optical Engineering + Applications, 2024, San Diego, California, United States

Abstract

Volume gratings holographically written in a photorefractive material can be used for lensless image processing. This is because plane wave spectral components of an input image that are not at Bragg incidence are reflected with lower diffraction efficiency, so that higher spatial frequencies are transmitted. The dependence of edge enhancement on the spatial distribution of the grating, grating period, and angle of incidence of the incident optical field are investigated.

Conference Presentation

(2024) Published by SPIE. Downloading of the abstract is permitted for personal use only.

Citation Download Citation

Austin M. Scott, Cameron Mohseni, and Partha P. Banerjee "Programmable edge enhancement using volume holographic elements in photorefractive materials", Proc. SPIE 13140, Photonic Fiber and Crystal Devices: Advances in Materials and Innovations in Device Applications XVIII, 131400D (30 September 2024); https://doi.org/10.1117/12.3028730

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