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9 February 2007 Large aperture laser beam attenuator using electro-optic gratings
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Abstract
This paper provides research progress in the development of fast electro-optic gratings for high energy laser beam attenuations. The electro-optic phase grating is formed by the phase separation of small liquid crystals droplets from a polymerizing organic matrix using holographic interference technique. The formed grating separates the incident laser beam into two output beams: the transmitted and diffracted beam, whose intensities can be electrically adjusted through electro-optic effect. The fast electro-optic gratings have a very fast electro-optic response time of 50 &mgr;s is with diffraction efficiency above 99%.
© (2007) COPYRIGHT Society of Photo-Optical Instrumentation Engineers (SPIE). Downloading of the abstract is permitted for personal use only.
Suning Tang, Yuanji Tang, Baofeng Duan, Thomas S. Hartwick, and James Foshee "Large aperture laser beam attenuator using electro-optic gratings", Proc. SPIE 6487, Emerging Liquid Crystal Technologies II, 64870D (9 February 2007); https://doi.org/10.1117/12.696790
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