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Proceedings Paper

Fabrication of a varied-line-spacing plane grating with aspheric wavefront holographic recording for a new grazing incidence monochromator at the Photon Factory
Author(s): Kenta Amemiya; Yoshinori Kitajima; Yoshiki Yonamoto; Toshiaki Ohta; Kenji Ito; Kazuo Sano; Tetsuya Nagano; Masaru Koeda; Hiroyuki Sasai; Yoshihisa Harada
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Paper Abstract

A Varied-Line-Spacing (VLS) plane grating for the Monk-Gillieson mounting monochromator was fabricated with aspheric wavefront holographic recording following a new design concept. Ray-tracing results show that the holographic VLS grating affords high resolving power as a total optical system of a soft x-ray grazing incidence monochromator. Effects of errors in the recording parameters are also estimated, and the adjustment procedure to compensate for them was proposed. An 800-L'mm holographic laminar VLS grating has been tested in a new monochromator installed at a bending magnet source of the Photon Factory, and the resolving power of -..5OOO was obtained in the vicinity of nitrogen K-edge. It was found that the holographic grating has a relatively high reflectivity with a low scattered light level.

Paper Details

Date Published: 3 November 1997
PDF: 12 pages
Proc. SPIE 3150, Gratings and Grating Monochromators for Synchrotron Radiation, (3 November 1997); doi: 10.1117/12.279370
Show Author Affiliations
Kenta Amemiya, Univ. of Tokyo (Japan)
Yoshinori Kitajima, KEK Photon Factory (Japan)
Yoshiki Yonamoto, Univ. of Tokyo (Japan)
Toshiaki Ohta, Univ. of Tokyo (Japan)
Kenji Ito, KEK Photon Factory (Japan)
Kazuo Sano, Shimadzu Corp. (Japan)
Tetsuya Nagano, Shimadzu Corp. (Japan)
Masaru Koeda, Shimadzu Corp. (Japan)
Hiroyuki Sasai, Shimadzu Corp. (Japan)
Yoshihisa Harada, Shimadzu Corp. (Japan)

Published in SPIE Proceedings Vol. 3150:
Gratings and Grating Monochromators for Synchrotron Radiation
Wayne R. McKinney; Christopher A. Palmer, Editor(s)

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