Fast beam steering with a ferroelectric-liquid-crystal optical phased array.
- Published Article
The Optical Society
- Publication Date
Mar 20, 2009
We demonstrate fast, efficient beam steering using a single 1x32 analog ferroelectric liquid crystal (FLC) spatial light modulator. A high-tilt FLC material with 82 degrees optic-axis switching provides, in a reflective-mode device with a passive quarter-wave retarder between a half-wave FLC layer and a mirror, 91% of full 0-2pi phase modulation. Electronic drive based on applied charge gives 200 micros response-time analog modulation.
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The corresponding record at NLM can be accessed at https://www.ncbi.nlm.nih.gov/pubmed/19305470