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Optical Engineering

Acousto-optic fiber interferometer based on concatenated flexural wave modulation
Author(s): Shouxin Kang; Hao Zhang; Bo Liu; Ning Zhang; Yinping Miao
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Paper Abstract

An acousto-optic fiber interferometer has been proposed and experimentally demonstrated by employing two MgF2 sandwiches to implement concatenated flexural acoustic wave modulation onto single-mode optical fibers. The transmission spectrum of the acoustic grating pair has been experimentally investigated. Experimental results indicate that interferometric spectral fringes possess a frequency sensitivity as large as −499.0  nm/MHz due to the Mach–Zehnder interference. Moreover, the applied radio frequency signal voltage for flexural wave generation has a great impact on the transmission spectral properties. The work presented would be of importance for the understanding of the acousto-optic interaction mechanism in concatenated acoustic fiber gratings and is helpful for the design of related acousto-optic fiber devices.

Paper Details

Date Published: 21 July 2015
PDF: 6 pages
Opt. Eng. 54(7) 076106 doi: 10.1117/1.OE.54.7.076106
Published in: Optical Engineering Volume 54, Issue 7
Show Author Affiliations
Shouxin Kang, Nankai Univ. (China)
Hao Zhang, Nankai Univ. (China)
Bo Liu, Nankai Univ. (China)
Ning Zhang, Nankai Univ. (China)
Yinping Miao, Tianjin Univ. of Technology (China)

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