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Developing of a time-resolved three-channel soft X-ray spectrometer is reported,and the operating principle and the parameters of spectrometer designed in three energy bands of 210eV,420eV and 900eV are presented specially. On the ShenGuang-Ⅱ high power laser facility,the spectrometer was applied in experiments with good results. This work is the first attempt in China to construct a spectrometer which couples planar mirrors and filters to X-ray streaked camera,and which is capable of measuring X-ray signal with spatial- and temporal-resolution in three sub-Kev energy channels simultaneously. Experimental results show that by combining X-ray reflector and filter,the spectrometer has achieved enery resolution of 5 and temporal resolution ability of 10 ps.
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Keywords:
- soft X-ray streak camera /
- planar mirror /
- filter /
- grazing incidence
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