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This paper introduces a compact dynamic polarization-modulation system using Liquid Crystal on Silicon Spatial Light Modulators (LCOS SLM) which can be used for data storage in glass. This new design uses two cascade-connected holograms on a single LCOS SLM in conjunction with a half-wave plate, to modulate multiple linear polarization states and simultaneously and generate desired holographic images. Furthermore, a zero-order suppression method is developed based on a computed holographic lens capable of on-axis and off-axis controls for the compact system to improve the quality of the data storage patterns generated by a laser light in glass.
Jintao Hong,Jin Li, andDaping Chu
"LCOS SLM based compact system of polarization modulation for data storage in glass", Proc. SPIE 11774, Holography: Advances and Modern Trends VII, 117740A (18 April 2021); https://doi.org/10.1117/12.2589036
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Jintao Hong, Jin Li, Daping Chu, "LCOS SLM based compact system of polarization modulation for data storage in glass," Proc. SPIE 11774, Holography: Advances and Modern Trends VII, 117740A (18 April 2021); https://doi.org/10.1117/12.2589036