New type of Monk-Gillieson monochromator capable of covering a 0.7- to 25-nm range

Masato Koike; Kazuo Sano; Yoshihisa Harada; Osamu Yoda; Masahiko Ishino; Keisuke Tamura; Koujun Yamashita; Naoji Moriya; Hiroyuki Sasai; Masafumi Jinno; Takeshi Namioka

doi:10.1117/12.450458

24 December 2002 New type of Monk-Gillieson monochromator capable of covering a 0.7- to 25-nm range

Masato Koike, Kazuo Sano, Yoshihisa Harada, Osamu Yoda, Masahiko Ishino, Keisuke Tamura, Koujun Yamashita, Naoji Moriya, Hiroyuki Sasai, Masafumi Jinno, Takeshi Namioka

Author Affiliations +

Proceedings Volume 4782, X-Ray Mirrors, Crystals, and Multilayers II; (2002) https://doi.org/10.1117/12.450458
Event: International Symposium on Optical Science and Technology, 2002, Seattle, WA, United States

Abstract

A new type of monochromators that incorporates two kinds of Monk-Gillieson monochromators has been designed and constructed for the purpose of realizing an evaluation beamline for characterizing soft X-ray optical elements in a wide wavelength range of 0.7-25 nm. One of the monochromators is a conventional type equipped with three varied-line-spacing plane gratings, allowing a choice of two inclusion angles. The other is a new type that employs a scanning mechanism based on Surface Normal Rotation (SNR). The SNR scheme provides high throughput at short wavelengths and simple scanning mechanism by means of a grating rotation about its normal. The monochromators is operated in the SNR and conventional modes over the ranges of 0.7-2.0 nm and 2.0-25 nm, respectively. The system was installed on a beamline of the AURORA, a superconducting compact storage ring, at the Synchrotron Radiation Center, Ritsumeikan University. In this paper we describe the optical and mechanical designs of the monochromators, and a practical method of wavelength calibration. Also experimental data are shown which demonstrate the performance and versatility of the new type of Monk-Gillieson monochromators.

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Masato Koike, Kazuo Sano, Yoshihisa Harada, Osamu Yoda, Masahiko Ishino, Keisuke Tamura, Koujun Yamashita, Naoji Moriya, Hiroyuki Sasai, Masafumi Jinno, and Takeshi Namioka "New type of Monk-Gillieson monochromator capable of covering a 0.7- to 25-nm range", Proc. SPIE 4782, X-Ray Mirrors, Crystals, and Multilayers II, (24 December 2002); https://doi.org/10.1117/12.450458

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