Abstract
The speed of most parallel-aligned liquid-crystal-on-silicon (LCoS) spatial light modulators (SLMs) is limited to the video rate of their drivers, which is a limitation for high-speed applications. However, the LCoS SLM presented here has a driver allowing a frequency range of up to . Using the static phase modulation characterization and the static lookup table (LUT), the phase modulation characteri zation versus frequency shows that the SLM can operate at around or even higher for small phase changes and at for extreme phase changes. A dynamic calibration is carried out, and we propose a method allowing an increase of the frame rate while maintaining a maximum phase modulation of . Experimental results of dynamic diffractive optical elements displayed on the SLM at a frame rate of show that the dynamic LUT improves the reconstruction quality.
© 2009 Optical Society of America
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