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Proceedings Paper

Single-mode fiber sensor for ultrasonic detection in optical breakdown
Author(s): Jianping Chen; Xiao-Wu Ni; Jian Lu; Baomin Bian
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Paper Abstract

A theoretical and experimental study is conducted to investigate applicability of a single-mode fiber ultrasonic sensor for detecting the shock-wave in optical breakdown in air induced by a high power laser pulse. The sensor is based on the ultrasonically induced modal birefringence which alters the polarization state of the optical beam propagating through the fiber. The shock-wave signals have been gotten by using the sensor. It is shown that the single-mode fiber sensor has enough sensibility to detect shock-wave in air, but it is dependent on the fiber- ultrasonic interaction length and the intensity of shock- wave.

Paper Details

Date Published: 24 September 1996
PDF: 4 pages
Proc. SPIE 2895, Fiber Optic Sensors V, (24 September 1996); doi: 10.1117/12.252183
Show Author Affiliations
Jianping Chen, Nanjing Univ. of Science and Technology (China)
Xiao-Wu Ni, Nanjing Univ. of Science and Technology (China)
Jian Lu, Nanjing Univ. of Science and Technology (China)
Baomin Bian, Nanjing Univ. of Science and Technology (China)


Published in SPIE Proceedings Vol. 2895:
Fiber Optic Sensors V
Kim D. Bennett; Byoung Yoon Kim; Yanbiao Liao, Editor(s)

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