| 光谱学与光谱分析 |
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| Investigations of Transient Time-Dependent Spectral Multi-Channel Measurement for Shocked KCl Crystal |
| CHENG Juan1, HE Ying-hong1, ZUO Hao-yi1, RAN Rui-jiang1, XUE Kang1, YANG Jing-guo1*，TAN Hua2, HU Shao-lou2, WANG Xiao-song2 |
1. Department of Physics, Sichuan University, Chengdu 610064, China
2. Fluid Physics Institute, CAEP, Mianyang 621900, China |
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Abstract In this paper, the authors reported a new method for measuring transient time-dependent spectra using multi-fiber delay coupler and optical multi-channel analysis technique. The fiber delay coupler consists of five fibers with different lengths and its time-delay between two fibers is determined by the different fiber lengths. The light beams that came from the fiber coupler were coupled by a lens system into the slit of a spectrograph and formed a spectral pattern on the focus plane of the spectrometer. A two-dimensional CCD detector convested the optical pattern into an electrical pattern, and then the transient time-dependent spectra were obtained by a personal computer. The experimental setup was constructed, and the transient time-dependent spectra were measured for KCl crystal shocked by a high speed pill. The time resolution was 20 ns, and the spectral intensity resolution reached 1/18 bit.
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Received: 2003-04-08
Accepted: 2003-09-10
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Corresponding Authors:
YANG Jing-guo
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| Cite this article: |
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CHENG Juan,HE Ying-hong,ZUO Hao-yi, et al. Investigations of Transient Time-Dependent Spectral Multi-Channel Measurement for Shocked KCl Crystal [J]. SPECTROSCOPY AND SPECTRAL ANALYSIS, 2004, 24(12): 1499-1501.
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| URL: |
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https://www.gpxygpfx.com/EN/Y2004/V24/I12/1499 |
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