Wang Weining, Wang Feng, Jiang Shao’en, et al. Accuracy examination of shock speed measurement by imaging velocity interferometer system for any reflector[J]. High Power Laser and Particle Beams, 2012, 24: 2121-2124. doi: 10.3788/HPLPB20122409.2121
Citation: Qian Feng, Cao Leifeng, Xiao Shali, et al. Design parameters of transmission curved crystal spectrometer for hard X-ray diagnoses[J]. High Power Laser and Particle Beams, 2013, 25: 2292-2296. doi: 10.3788/HPLPB20132509.2292

Design parameters of transmission curved crystal spectrometer for hard X-ray diagnoses

doi: 10.3788/HPLPB20132509.2292
  • Received Date: 2012-11-17
  • Rev Recd Date: 2013-04-09
  • Publish Date: 2013-07-17
  • The high resolving measurement of hard X-ray spectra generated in laser-produced plasma is usually performed using a cylindrically curved crystal spectrometer. In this paper, theoretical analysis and numerical simulation are performed to investigate the dependence of the energy range and resolving power on various design parameters, including crystal bending radius, source to crystal standoff distance, source size, location of the detector, etc. The investigation provides a means to design and develop cylindrically transmission curved crystal spectrometer which is used in hard X-ray diagnostics. The results show that crystal bending radius has a great influence on energy range of spectra and resolving power, and the separation between the spectral lines increases with the distance behind the focal circle faster than the line width, resulting in increased resolving power with distance.
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