Design of wide band multilayer grating used in the keV region

Koike, Masato; Imazono, Takashi; Kawachi, Tetsuya

A multilayer laminar-type holographic grating having an average groove density of 2400 lines/mm was designed for use with a soft X-ray flat field spectrograph covering the 2.0-3.8 keV (0.33-0.62 nm) region. The varied-line-spaced grooves pattern was assumed to be generated by use of an aspheric wavefront recording system. We present a new scheme to widen the available wavelength range in the condition of a fixed incidence angle by use of multilayers having 5 period lengths, and discuss about the calculated diffraction efficiency and spectral resolution.

Language	:	Japanese
Journal	:	JAEA-Conf 2010-002
Volume	:
Number	:
Pages	:	p.75 - 78
Publication Year/Month	:	2010/06
Meeting title	:	第10回光量子科学研究シンポジウム
Held date	:	2009/10
Location (city)	:	木津川
Location (country)	:	日本
Patent information	:
PDF	:
Paper URL	:	https://doi.org/10.11484/jaea-conf-2010-002
DOI for research data	:
Keywords	:	no keyword
Research Facility	:
Press Release	:
Article of JAEA R&D Review	:
Cooperating Institute	:	科学技術振興機構

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Registration No. : BB20092605
JAEA Abstracts No. :
Paper Submission No. : 21926

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