Varied-line-spacing laminar-type holographic grating for the standard soft X-ray flat-field spectrograph

Masato Koike; Takeshi Namioka; Eric Gullikson; Yoshihisa Harada; Sadayuki Ishikawa; Takashi Imazono; Stanley Mrowka; Noboru Miyata; Mihiro Yanagihara; James H. Underwood; Kazuo Sano; Tokuo Ogiwara; Osamu Yoda; Shiro Nagai

doi:10.1117/12.406669

Varied-line-spacing laminar-type holographic grating for the standard soft X-ray flat-field spectrograph

Masato Koike, Takeshi Namioka, Eric Gullikson, Yoshihisa Harada, Sadayuki Ishikawa, Takashi Imazono, Stanley Mrowka, Noboru Miyata, Mihiro Yanagihara, James H. Underwood, Kazuo Sano, Tokuo Ogiwara, Osamu Yoda, Shiro Nagai

Institute of Multidisciplinary Research for Advanced Materials (IMRAM)

Research output: Contribution to journal › Article › peer-review

18 Citations (Scopus)

Abstract

An aspheric wave-front recording system was designed to produce a holographic grating for use in a standard soft X-ray flat-field spectrograph interchangeably with a mechanically ruled varied-line-spacing (VLS) grating. The grating grooves recorded with the designed aspheric wave-front recording system were processed to form a laminar groove profile by means of reactive ion etching. Measurements done with synchrotron radiation and a laboratory X-ray source are reported for this laminar-type grating and a commercial grating replicated from a mechanically ruled VLS grating that was specifically designed and fabricated for the standard soft X-ray flat-field spectrograph. The laminar-type holographic grating is found to have an absolute first-order efficiency of approximately 10% for wavelengths of approximately 4.5-12 nm. It is also shown that the holographic grating is effective in suppressing the higher orders and stray-light level for soft X-ray of 4.36 nm (C-K) and has a comparable spectral resolution to the replica VLS grating.

Original language	English
Pages (from-to)	163-170
Number of pages	8
Journal	Proceedings of SPIE - The International Society for Optical Engineering
Volume	4146
Issue number	1
DOIs	https://doi.org/10.1117/12.406669
Publication status	Published - 2000 Nov 8

Keywords

Diffraction grating
Spectrometer
diffraction efficiency
flat-field spectrograph
holographic grating
soft X-ray

ASJC Scopus subject areas

Electronic, Optical and Magnetic Materials
Condensed Matter Physics
Computer Science Applications
Applied Mathematics
Electrical and Electronic Engineering

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Koike, M., Namioka, T., Gullikson, E., Harada, Y., Ishikawa, S., Imazono, T., Mrowka, S., Miyata, N., Yanagihara, M., Underwood, J. H., Sano, K., Ogiwara, T., Yoda, O., & Nagai, S. (2000). Varied-line-spacing laminar-type holographic grating for the standard soft X-ray flat-field spectrograph. Proceedings of SPIE - The International Society for Optical Engineering, 4146(1), 163-170. https://doi.org/10.1117/12.406669

Varied-line-spacing laminar-type holographic grating for the standard soft X-ray flat-field spectrograph. / Koike, Masato; Namioka, Takeshi; Gullikson, Eric; Harada, Yoshihisa; Ishikawa, Sadayuki; Imazono, Takashi; Mrowka, Stanley; Miyata, Noboru; Yanagihara, Mihiro; Underwood, James H.; Sano, Kazuo; Ogiwara, Tokuo; Yoda, Osamu; Nagai, Shiro.

In: Proceedings of SPIE - The International Society for Optical Engineering, Vol. 4146, No. 1, 08.11.2000, p. 163-170.

Research output: Contribution to journal › Article › peer-review

Koike, M, Namioka, T, Gullikson, E, Harada, Y, Ishikawa, S, Imazono, T, Mrowka, S, Miyata, N, Yanagihara, M, Underwood, JH, Sano, K, Ogiwara, T, Yoda, O & Nagai, S 2000, 'Varied-line-spacing laminar-type holographic grating for the standard soft X-ray flat-field spectrograph', Proceedings of SPIE - The International Society for Optical Engineering, vol. 4146, no. 1, pp. 163-170. https://doi.org/10.1117/12.406669

Koike, Masato ; Namioka, Takeshi ; Gullikson, Eric ; Harada, Yoshihisa ; Ishikawa, Sadayuki ; Imazono, Takashi ; Mrowka, Stanley ; Miyata, Noboru ; Yanagihara, Mihiro ; Underwood, James H. ; Sano, Kazuo ; Ogiwara, Tokuo ; Yoda, Osamu ; Nagai, Shiro. / Varied-line-spacing laminar-type holographic grating for the standard soft X-ray flat-field spectrograph. In: Proceedings of SPIE - The International Society for Optical Engineering. 2000 ; Vol. 4146, No. 1. pp. 163-170.

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