Efficiency of a grazing-incidence off-plane grating in the soft-x-ray region

Efficiency measurements of a grazing-incidence diffraction grating in the off-plane mount were performed using polarized synchrotron radiation. The grating had 5000 grooves/mm, an effective blaze angle of 14 degrees, and was gold coated. The efficiencies in the two polarization orientations (TM and...

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Bibliographic Details
Published in:Applied optics (2004) 2006-03, Vol.45 (8), p.1680-1687
Main Authors: Seely, J F, Goray, L I, Kjornrattanawanich, Benjawan, Laming, J M, Holland, G E, Flanagan, K A, Heilmann, R K, Chang, C H, Schattenburg, M L, Rasmussen, A P
Format: Article
Language:English
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Summary:Efficiency measurements of a grazing-incidence diffraction grating in the off-plane mount were performed using polarized synchrotron radiation. The grating had 5000 grooves/mm, an effective blaze angle of 14 degrees, and was gold coated. The efficiencies in the two polarization orientations (TM and TE) were measured in the 1.5-5.0 nm wavelength range and were compared with the efficiencies calculated using the PCGrate-SX code. The TM and TE efficiencies differ, offering the possibility of performing unique science studies of astrophysical, solar, and laboratory sources by exploiting the polarization sensitivity of the off-plane grating.
ISSN:1559-128X
DOI:10.1364/AO.45.001680