An optical fiber sensor for detecting laser-induced plasma shock waves

Chen Jianping; Ni Xiaowu; Lu Jian; Bian Baomin; Wang Yawei

We have recently developed an optical fiber sensor based on beam deflection for detecting shock waves. It successfully measured the changing rate of the refractive index of the transient airborne shock waves produced by plasmas in laser material damage processes. This measurement system, particularly suitable for instantaneous detection of axisymmetrical shock waves, is broadband as well as non contact.

1. Department of Applied Physics, Nanjing University of Science and Technology, Nanjing, 210094

Received Date: 1999-09-20

Accepted Date: 1999-12-07

Available Online: 2001-03-25

Abstract: We have recently developed an optical fiber sensor based on beam deflection for detecting shock waves. It successfully measured the changing rate of the refractive index of the transient airborne shock waves produced by plasmas in laser material damage processes. This measurement system, particularly suitable for instantaneous detection of axisymmetrical shock waves, is broadband as well as non contact.

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Reference (14)

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An optical fiber sensor for detecting laser-induced plasma shock waves

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