Optimize the working model of LCoS (Liquid Crystal on Silicon) in parameter space by simulation. Two models are selected, which is suitable for phase modulating. One is the RTN-52° model, the other is parallel alignment ECB model. Phase changing is measured when various voltage are applied to Lcos. Show some results when the Lcos is used as a Fresnel lens.
Several modes are simulated in parameter space to find profitable mode for amp SLM design and RTN52° with high reflectance, high dDn and low phase shift is used for experiment. The reflectance and contrast are measured on a RTN52° LCOS device.
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