12 October 2004 Spatial resolution limitation of liquid crystal spatial light modulator
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Abstract
The effect of fringing electric fields in a liquid crystal (LC) Optical Phased Array (OPA), also referred to as a spatial light modulator (SLM), is a governing factor that determines the diffraction efficiency (DE) of the LC OPA for high resolution spatial phase modulation. In this article, the fringing field effect in a high resolution LC OPA is studied by accurate modeling the DE of the LC blazed gratings by LC director simulation and Finite Difference Time Domain (FDTD) simulation. Influence factors that contribute significantly to the DE are discussed. Such results provide fundamental understanding for high resolution LC devices.
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Xinghua Wang, Xinghua Wang, Bin Wang, Bin Wang, Paul F. McManamon, Paul F. McManamon, John J. Pouch, John J. Pouch, Felix A. Miranda, Felix A. Miranda, James E. Anderson, James E. Anderson, Philip J. Bos, Philip J. Bos, } "Spatial resolution limitation of liquid crystal spatial light modulator", Proc. SPIE 5553, Advanced Wavefront Control: Methods, Devices, and Applications II, (12 October 2004); doi: 10.1117/12.559283; https://doi.org/10.1117/12.559283
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