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Applied Optics

Applied Optics

APPLICATIONS-CENTERED RESEARCH IN OPTICS

  • Vol. 41, Iss. 10 — Apr. 1, 2002
  • pp: 1846–1851

Skylab 3600 Groove /mm Replica Grating with a Scandium-Silicon Multilayer Coating and High Normal-Incidence Efficiency at 38-nm Wavelength

John F. Seely, Yu. A. Uspenskii, Yu. P. Pershin, V. V. Kondratenko, and A. V. Vinogradov  »View Author Affiliations


Applied Optics, Vol. 41, Issue 10, pp. 1846-1851 (2002)
http://dx.doi.org/10.1364/AO.41.001846


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Abstract

A Sc-Si multilayer coating was applied to a replica of the 3600 groove/mm grating, developed for the SO82A spectroheliograph that flew on the Skylab mission, for the purpose of enhancing the normal-incidence efficiency in the extreme-ultraviolet region. The efficiency, measured at an angle of incidence of 6° with synchrotron radiation, had a maximum value of 7.2% at a wavelength of 38 nm and was a factor of 3 higher than the efficiency of the gold-coated Skylab grating. The measured efficiency of the Sc-Si grating was in good agreement with the efficiency calculated by use of the modified integral method.

© 2002 Optical Society of America

OCIS Codes
(050.1950) Diffraction and gratings : Diffraction gratings
(310.6860) Thin films : Thin films, optical properties
(340.7470) X-ray optics : X-ray mirrors

Citation
John F. Seely, Yu. A. Uspenskii, Yu. P. Pershin, V. V. Kondratenko, and A. V. Vinogradov, "Skylab 3600 Groove /mm Replica Grating with a Scandium-Silicon Multilayer Coating and High Normal-Incidence Efficiency at 38-nm Wavelength," Appl. Opt. 41, 1846-1851 (2002)
http://www.opticsinfobase.org/ao/abstract.cfm?URI=ao-41-10-1846


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