Research of a nanosecond optical switching with LiNbO3 crystal

Abstract

Abstract:

LiNbO3 crystal has been widely used as high precision and high-speed switching shutters because of its features of wide wave band, fast response, non-easy deliquescence and so on. In order to expand exposure time of optical switch of LiNbO3 to nanosecond field so as to make up defects of extant high-speed optical switches, this paper has explained theoretical principles of LiNbO3 as a optical switch; optimized its aspect ratio for multi-band lights and verified feasibility LiNbO3 of it as a nanosecond optical switch. Experimental half-wave voltages match theoretical values well. Experimental results also show that optical signal has synchronous response to electric signal. The result of study has verified feasibility of LiNbO3 as a nanosecond optical switch and has provided theoretical and experimental foundations for the manufacturing of this optical switch.

Key words: optoelectronics, nanosecond, LiNbO3, optical switch

Zhang Baishun, Wu Zhaohui, Zhou Jian, Wang Shouzhang, Huang Li, Guo Qiang. Research of a nanosecond optical switching with LiNbO₃ crystal[J]. J4, 2012, 29(1): 39-44.

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Research of a nanosecond optical switching with LiNbO₃ crystal

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