Optimization of Liquid-Crystal Spatial Light Modulator for Precise Phase Generation

Discontinued Devices LC-R 2500 Spatial Light Modulators
Misc.: Speckle / Characterization / Metrology
Published on:
Authors: Seow-Hwang Eng; Dong Mei Cai; Zhenglin Wang; Alameh, K.; Wenhan Jiang;
Abstract:

“Spatial light modulators (SLMs) are recently emerging as wavefront generation or reconstruction devices. In this paper, we use a liquid-crystal SLM (LC-SLM) as a wavefront generation device through the modulation of the spatial phase distribution of an incident light beam. We characterize the phase modulation performance of the LC-SLM, and identified a polarization-configuration to minimize its amplitude modulation effects in order to maximize the contrast of reconstructed phase holograms. We also investigated the feasibility of determining the optical surface uniformity of the LC-SLM through computations of the interference fringes, and identified the disadvantages of this method. This new approach may be used to determine the optical surface quality of other optical devices.”

Restricted Access

Publication: Conference on Optoelectronic and Microelectronic Materials and Devices
Issue/Year: Conference on Optoelectronic and Microelectronic Materials and Devices (2006)
DOI: 10.1109/COMMAD.2006.4429891
Link: https://doi.org/10.1109/COMMAD.2006.4429891

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