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Chinese Optics Letters

Chinese Optics Letters

| PUBLISHED MONTHLY BY CHINESE LASER PRESS AND DISTRIBUTED BY OSA

  • Editor: Zhizhan Xu
  • Vol. 11, Iss. 7 — Jul. 1, 2013
  • pp: 072301–

Performance of an optically addressed liquid crystal light valve and its application in optics damage protection

Dajie Huang, Wei Fan, Xuechun Li, and Zunqi Lin  »View Author Affiliations


Chinese Optics Letters, Vol. 11, Issue 7, pp. 072301- (2013)


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Abstract

We report an optically addressed liquid crystal light valve, a home-made device that has solved the problem of low transmittance caused by opaque electrodes in present transmissive spatial light modulators. The operating characteristic of the light valve is analyzed. The optimum driving voltage of this device is 27 V at 300 Hz, as deduced from the equivalent electric model. Its transmittance reaches 80% and its contrast is approximately 40:1. Its dynamic performance, especially its ability to obscure laser light at programmed locations, is demonstrated. The results are in good agreement with the desired shape, which indicates that our light valve performs very well.

© 2013 Chinese Optics Letters

OCIS Codes
(140.3300) Lasers and laser optics : Laser beam shaping
(140.3330) Lasers and laser optics : Laser damage
(230.3720) Optical devices : Liquid-crystal devices
(230.6120) Optical devices : Spatial light modulators

ToC Category:
Optical Devices

Citation
Dajie Huang, Wei Fan, Xuechun Li, and Zunqi Lin, "Performance of an optically addressed liquid crystal light valve and its application in optics damage protection," Chin. Opt. Lett. 11, 072301- (2013)
http://www.opticsinfobase.org/col/abstract.cfm?URI=col-11-7-072301

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