Single-mode fiber sensor for ultrasonic detection in optical breakdown

Jianping Chen; Xiao-Wu Ni; Jian Lu; Baomin Bian

doi:10.1117/12.252183

24 September 1996 Single-mode fiber sensor for ultrasonic detection in optical breakdown

Jianping Chen, Xiao-Wu Ni, Jian Lu, Baomin Bian

Proceedings Volume 2895, Fiber Optic Sensors V; (1996) https://doi.org/10.1117/12.252183
Event: Photonics China '96, 1996, Beijing, China

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.

Citation Download Citation

Jianping Chen, Xiao-Wu Ni, Jian Lu, and Baomin Bian "Single-mode fiber sensor for ultrasonic detection in optical breakdown", Proc. SPIE 2895, Fiber Optic Sensors V, (24 September 1996); https://doi.org/10.1117/12.252183

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