Comparison of mechanically ruled versus holographically varied line-spacing gratings for a soft-x-ray flat-field spectrograph

Takashi Yamazaki; Eric Gullikson; Noboru Miyata; Masato Koike; Stanley Mrowka; Ulf Kleineberg; James H. Underwood; Mihiro M. Yanagihara; Kazuo Sano

doi:10.1364/AO.38.004001

Comparison of mechanically ruled versus holographically varied line-spacing gratings for a soft-x-ray flat-field spectrograph

Takashi Yamazaki, Eric Gullikson, Noboru Miyata, Masato Koike, Stanley Mrowka, Ulf Kleineberg, James H. Underwood, Mihiro M. Yanagihara, Kazuo Sano

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

21 Citations (Scopus)

Abstract

Recent progress in the design of aspheric wave-front recording systems has permitted the manufacture of holographic gratings with highly variable groove densities that are suitable for flat-field spectrographs. A holographic grating thus recorded was processed to produce a laminar profile by use of reactive-ion etching. Measurements are reported of the absolute diffraction efficiency of this grating and of a comparable mechanically ruled grating. It is found that the holographic grating is much more effective in suppressing the higher orders. The spectral resolution was determined by use of a carbon Ka x-ray generator and a spectrograph with an imaging detector. The spectral resolution of the holographic grating was approximately 3 times worse than that of the ruled grating.

Original language	English
Pages (from-to)	4001-4003
Number of pages	3
Journal	Applied optics
Volume	38
Issue number	19
DOIs	https://doi.org/10.1364/AO.38.004001
Publication status	Published - 1999 Jul 1
Externally published	Yes

ASJC Scopus subject areas

Atomic and Molecular Physics, and Optics
Engineering (miscellaneous)
Electrical and Electronic Engineering

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10.1364/AO.38.004001

Cite this

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abstract = "Recent progress in the design of aspheric wave-front recording systems has permitted the manufacture of holographic gratings with highly variable groove densities that are suitable for flat-field spectrographs. A holographic grating thus recorded was processed to produce a laminar profile by use of reactive-ion etching. Measurements are reported of the absolute diffraction efficiency of this grating and of a comparable mechanically ruled grating. It is found that the holographic grating is much more effective in suppressing the higher orders. The spectral resolution was determined by use of a carbon Ka x-ray generator and a spectrograph with an imaging detector. The spectral resolution of the holographic grating was approximately 3 times worse than that of the ruled grating.",

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AU - Yamazaki, Takashi

AU - Gullikson, Eric

AU - Miyata, Noboru

AU - Koike, Masato

AU - Mrowka, Stanley

AU - Kleineberg, Ulf

AU - Underwood, James H.

AU - Yanagihara, Mihiro M.

AU - Sano, Kazuo

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AB - Recent progress in the design of aspheric wave-front recording systems has permitted the manufacture of holographic gratings with highly variable groove densities that are suitable for flat-field spectrographs. A holographic grating thus recorded was processed to produce a laminar profile by use of reactive-ion etching. Measurements are reported of the absolute diffraction efficiency of this grating and of a comparable mechanically ruled grating. It is found that the holographic grating is much more effective in suppressing the higher orders. The spectral resolution was determined by use of a carbon Ka x-ray generator and a spectrograph with an imaging detector. The spectral resolution of the holographic grating was approximately 3 times worse than that of the ruled grating.

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Comparison of mechanically ruled versus holographically varied line-spacing gratings for a soft-x-ray flat-field spectrograph

Abstract

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