Testing techniques for optical path integrality in a laser initiator system

YIN Guo-fu; LU Jian-cun; LIU Yan-yi; HE Ai-feng; CAO Chun-qiang

doi:10.3969/j.issn.1001-3806.2011.04.028

LASER TECHNOLOGY > 2011 > 35(4): 554-558. > DOI: 10.3969/j.issn.1001-3806.2011.04.028

YIN Guo-fu, LU Jian-cun, LIU Yan-yi, HE Ai-feng, CAO Chun-qiang. Testing techniques for optical path integrality in a laser initiator system[J]. LASER TECHNOLOGY, 2011, 35(4): 554-558. DOI: 10.3969/j.issn.1001-3806.2011.04.028

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Testing techniques for optical path integrality in a laser initiator system

National Defence Key Laboratory for Safety and Reliability of Pyrotechnical, The 213th Research Institute of China Ordance In-dustry dustry, Xi'an 710061, China

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Received Date: September 12, 2010
Revised Date: November 16, 2010
Published Date: July 24, 2011

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Abstract

In order to escape unsuccessful initiation from non-integrity of the optical path in a laser initiation system,both autocorrelation detection and cross-correlation detection were designed and compared.The experimental results show that the lowest detectable power of echo signal of laser initiator feedback fiber is 100nw for autocorrelation detection,0.1mw for crosscorrelation detection respectively.When the laser power is less than 0.2mw,the integrity of the optical path can be detected with cross-correlation detection,but cannot with autocorrelation detection.
- laser technique,
- laser initiator,
- feeble light signal,
- fiber delivery energy,
- correlation detection,
- dual-fiber

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