Volume 26 Issue 4
Apr 2015
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CHEN Guang-Hua, LI Ze-Ren, LIU Jun, LIU Shou-Xian, PENG Qi-Xian, YUAN Shu-Yun, YANG Qing-Guo. Angular Dispersion-Type Fabry-Perot Interferometer with Velocity Spectral Resolution[J]. Chinese Journal of High Pressure Physics, 2012, 26(4): 402-408. doi: 10.11858/gywlxb.2012.04.007
Citation: CHEN Guang-Hua, LI Ze-Ren, LIU Jun, LIU Shou-Xian, PENG Qi-Xian, YUAN Shu-Yun, YANG Qing-Guo. Angular Dispersion-Type Fabry-Perot Interferometer with Velocity Spectral Resolution[J]. Chinese Journal of High Pressure Physics, 2012, 26(4): 402-408. doi: 10.11858/gywlxb.2012.04.007

Angular Dispersion-Type Fabry-Perot Interferometer with Velocity Spectral Resolution

doi: 10.11858/gywlxb.2012.04.007
  • Received Date: 01 Nov 2011
  • Rev Recd Date: 28 Apr 2012
  • Publish Date: 15 Aug 2012
  • An angular dispersion-type Fabry-Perot interferometer is developed to measure the velocity spectrum. Using this interferometer, the interference fringes with different Doppler shift are separated from each other in space, then the Doppler shift arise from a single moving source or multiple moving sources can be detected, and consequently the velocity spectra are obtained. The laser-driven aluminum foil experiments are conducted by the angular dispersion-type Fabry-Perot interferometer. Different kinds of velocity spectrum are obtained as the driving laser energy is changed, including velocity spectrum without velocity dispersion in space, discrete spectrum corresponding to a few pieces of broken aluminum foil with different speed, and continuous spectrum caused by fragment cloud or jet. Moreover, the fringe splitting caused by foil/glass interface separation under shock pressure loading is also observed.

     

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