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Chinese Journal of High Pressure Physics  > 2002  >  16(3): 237-240 .
PENG Qi-Xian, MA Ru-Chao, LI Ze-Ren, LIU Jun, LIU Yuan-Kun, DENG Xiang-Yang. The Bandwidth of Optical Fiber and Its Restrictions on VISAR[J]. Chinese Journal of High Pressure Physics, 2002, 16(3): 237-240 . doi: 10.11858/gywlxb.2002.03.014
Citation: PENG Qi-Xian, MA Ru-Chao, LI Ze-Ren, LIU Jun, LIU Yuan-Kun, DENG Xiang-Yang. The Bandwidth of Optical Fiber and Its Restrictions on VISAR[J]. Chinese Journal of High Pressure Physics, 2002, 16(3): 237-240 . doi: 10.11858/gywlxb.2002.03.014
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The Bandwidth of Optical Fiber and Its Restrictions on VISAR

doi: 10.11858/gywlxb.2002.03.014

  • Institute of Fluid Physics, CAEP, Mianyang 621900, China

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  • Corresponding author: PENG Qi-Xian
  • Received Date: 27 Jul 2001
  • Rev Recd Date: 31 Oct 2001
  • Publish Date: 05 Sep 2002
    Abstract
  • The effects of the optical fiber bandwidth on VISAR system were investigated. It was estimated that the index-stepped multi-mode optical fiber could only reach a bandwidth of several MHz#8226;km while the index-graded optical fiber could easily reach a bandwidth of several GHz#8226;km. The experimental results confirmed that the index-stepped optical fiber did restrict the time resolution of VISAR due to its limited band width. So using the index-graded optical fiber, instead of the index-stepped fiber, may be an effective way to free the VISAR from the restriction of optical fiber bandwidth and advance the VISAR system.

     

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