Fabrication of a varied-line-spacing plane grating with aspheric wavefront holographic recording for a new grazing incidence monochromator at the Photon Factory

Kenta Amemiya; Yoshinori Kitajima; Yoshiki Yonamoto; Toshiaki Ohta; Kenji Ito; Kazuo Sano; Tetsuya Nagano; Masaru Koeda; Hiroyuki Sasai; Yoshihisa Harada

doi:10.1117/12.279370

3 November 1997 Fabrication of a varied-line-spacing plane grating with aspheric wavefront holographic recording for a new grazing incidence monochromator at the Photon Factory

Kenta Amemiya, Yoshinori Kitajima, Yoshiki Yonamoto, Toshiaki Ohta, Kenji Ito, Kazuo Sano, Tetsuya Nagano, Masaru Koeda, Hiroyuki Sasai, Yoshihisa Harada

Author Affiliations +

Proceedings Volume 3150, Gratings and Grating Monochromators for Synchrotron Radiation; (1997) https://doi.org/10.1117/12.279370
Event: Optical Science, Engineering and Instrumentation '97, 1997, San Diego, CA, United States

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.

Citation Download Citation

Kenta Amemiya, Yoshinori Kitajima, Yoshiki Yonamoto, Toshiaki Ohta, Kenji Ito, Kazuo Sano, Tetsuya Nagano, Masaru Koeda, Hiroyuki Sasai, and Yoshihisa Harada "Fabrication of a varied-line-spacing plane grating with aspheric wavefront holographic recording for a new grazing incidence monochromator at the Photon Factory", Proc. SPIE 3150, Gratings and Grating Monochromators for Synchrotron Radiation, (3 November 1997); https://doi.org/10.1117/12.279370

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