Low noise phase-difference amplification by nonlinear holograms

Qin Keqi; Chen Jianwen; Wang Runwen

Chinese Journal of Lasers, Volume. 14, Issue 7, 420(1987)

Qin Keqi, Chen Jianwen, and Wang Runwen

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[in Chinese]

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Phase object ia inserted into one of the two beams of the Mach-Zehnder interferometer. With the two beams interfering1, nonlinear holograms are obtained. Using the high degree diffracted waves twice, we have obtained lower noise phase difference amplification of over 100 times. The theoretical results coincides with the experimental ones.

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Qin Keqi, Chen Jianwen, Wang Runwen. Low noise phase-difference amplification by nonlinear holograms[J]. Chinese Journal of Lasers, 1987, 14(7): 420

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