Double-spherically bent crystal high-resolution X-ray spectroscopy of spatially extended sources

Ruirong Wang; Zhiheng Fang; Honghai An; Jun Xiong; Zhiyong Xie; Erfu Guo; Chen Wang; Anle Lei; Wei Wang

doi:10.3788/COL202018.061101

Journals >Chinese Optics Letters >Volume 18 >Issue 6 >Page 061101 > Article

Chinese Optics Letters
Vol. 18, Issue 6, 061101 (2020)

Double-spherically bent crystal high-resolution X-ray spectroscopy of spatially extended sources

Ruirong Wang^1、2、*, Zhiheng Fang^1、2, Honghai An^1、2, Jun Xiong^1、2, Zhiyong Xie^1、2, Erfu Guo^1、2, Chen Wang^1、2, Anle Lei^1、2, and Wei Wang^1、2

Author Affiliations

¹Shanghai Institute of Laser Plasma, China Academy of Engineering Physics, Shanghai 201899, China

²National Laboratory on High Power Lasers and Physics, Shanghai 201899, China

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DOI: 10.3788/COL202018.061101 Cite this Article Set citation alerts

Ruirong Wang, Zhiheng Fang, Honghai An, Jun Xiong, Zhiyong Xie, Erfu Guo, Chen Wang, Anle Lei, Wei Wang. Double-spherically bent crystal high-resolution X-ray spectroscopy of spatially extended sources[J]. Chinese Optics Letters, 2020, 18(6): 061101 Copy Citation Text

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Spectrum-measurement scheme for the double-spherically bent crystal, with Bragg angles θ1 and θ2. The red, green, and blue lines represent the maximum and minimum grazing incidence angles from the source position for light incident at the edges of the crystal surface, and radiation hits the center of the crystals (C1 and C2) at the Bragg angles (θ1 and θ2), respectively.

Fig. 1. Spectrum-measurement scheme for the double-spherically bent crystal, with Bragg angles

θ_{1}

and

θ_{2}

. The red, green, and blue lines represent the maximum and minimum grazing incidence angles from the source position for light incident at the edges of the crystal surface, and radiation hits the center of the crystals (C1 and C2) at the Bragg angles (

θ_{1}

and

θ_{2}

), respectively.

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DSBCS-measured spectrum of cold Cu. (a) The raw spectral data recorded by using an IP. (b) The relative intensity obtained by averaging over the photon counts in the spatial direction versus the spectral resolution.

Fig. 2. DSBCS-measured spectrum of cold Cu. (a) The raw spectral data recorded by using an IP. (b) The relative intensity obtained by averaging over the photon counts in the spatial direction versus the spectral resolution.

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