Performance of a varied-space plane-grating monochromator

Masamitsu Watanabe; Akio Toyoshima; Yoshiro Azuma; Tatsuji Hayaishi; Yonglian Yan; Akira Yagishita

doi:10.1117/12.283983

3 November 1997 Performance of a varied-space plane-grating monochromator

Masamitsu Watanabe; Akio Toyoshima; Yoshiro Azuma; Tatsuji Hayaishi; Yonglian Yan; Akira Yagishita

Author Affiliations +

Proceedings Volume 3150, Gratings and Grating Monochromators for Synchrotron Radiation; (1997) https://doi.org/10.1117/12.283983
Event: Optical Science, Engineering and Instrumentation '97, 1997, San Diego, CA, United States

Abstract

A new grazing incidence soft x-ray monochromator has been commissioned on the undulator beamline BL-2 of the Photon Factory. The monochromator has been designed to meet the demands for high-resolution soft x-ray spectroscopy. The monochromator has employed a varied space plane grating and a configuration with sagittal focusing and converging beam to satisfy the requirement. According to analytical estimation and ray tracing simulation, the high resolving power beyond 10000 can be obtained over the full energy range from 250 to 1400 eV. Preliminary experiments have been done on three points concerning the resolving power, photon flux, and spot size. The results have showed the typical resolving power from 7500 to 10000, the absolute photon flux ofthe order of lOb photons/s/300mA/O.02%BW, and the spot size ofO.1(V) x 0.9(11) 2FW at the sample position.

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Masamitsu Watanabe, Masamitsu Watanabe, Akio Toyoshima, Akio Toyoshima, Yoshiro Azuma, Yoshiro Azuma, Tatsuji Hayaishi, Tatsuji Hayaishi, Yonglian Yan, Yonglian Yan, Akira Yagishita, Akira Yagishita, } "Performance of a varied-space plane-grating monochromator", Proc. SPIE 3150, Gratings and Grating Monochromators for Synchrotron Radiation, (3 November 1997); doi: 10.1117/12.283983; https://doi.org/10.1117/12.283983

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