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Chinese Optics Letters

Chinese Optics Letters


  • Vol. 7, Iss. 1 — Jan. 1, 2009
  • pp: 92–94

High resolution X-ray spherically bent crystal spectrometer for laser-produced plasma diagnostics

Shali Xiao, Hongjian Wang, Jun Shi, Changhuan Tang, and Shenye Liu  »View Author Affiliations

Chinese Optics Letters, Vol. 7, Issue 1, pp. 92-94 (2009)

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A new high spectral resolution crystal spectrometer is designed to measure very low emissive X-ray spectra of laser-produced plasma in [EQUATION] nm range. A large open aperture ([EQUATION] (mm)) mica (002) spherically bent crystal with curvature radius [EQUATION] mm is used as dispersive and focusing element. The imaging plate is employed to obtain high spectral resolution with effective area of [EQUATION] (mm). The long designed path of the X-ray spectrometer beam is 980 mm from the source to the detector via the crystal. Experiment is carried out at a 20-J laser facility. X-ray spectra in an absolute intensity scale is obtained from Al laser-produced plasmas created by laser energy of 6.78 J. Samples of spectra obtained with spectral resolution of up to [EQUATION] are presented. The results clearly show that the device is good to diagnose laser high-density plasmas.

© 2009 Chinese Optics Letters

OCIS Codes
(230.1480) Optical devices : Bragg reflectors
(300.6320) Spectroscopy : Spectroscopy, high-resolution
(340.0340) X-ray optics : X-ray optics
(350.5400) Other areas of optics : Plasmas

Shali Xiao, Hongjian Wang, Jun Shi, Changhuan Tang, and Shenye Liu, "High resolution X-ray spherically bent crystal spectrometer for laser-produced plasma diagnostics," Chin. Opt. Lett. 7, 92-94 (2009)

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