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Bräuninger H, Predehl P, Beuermann KP. Transmission grating efficiencies for wavelengths between 5.4 A and 44.8 A. Appl Opt. 1979;18(3):368-73doi: 10.1364/AO.18.000368.
Bräuninger, H., Predehl, P., & Beuermann, K. P. (1979). Transmission grating efficiencies for wavelengths between 5.4 A and 44.8 A. Applied optics, 18(3), 368-73. https://doi.org/10.1364/AO.18.000368
Bräuninger, H, et al. "Transmission grating efficiencies for wavelengths between 5.4 A and 44.8 A." Applied optics vol. 18,3 (1979): 368-73. doi: https://doi.org/10.1364/AO.18.000368
Bräuninger H, Predehl P, Beuermann KP. Transmission grating efficiencies for wavelengths between 5.4 A and 44.8 A. Appl Opt. 1979 Feb 01;18(3):368-73. doi: 10.1364/AO.18.000368. PMID: 20208721.
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Appl Opt. 1979 Feb 01;18(3):368-73. doi: 10.1364/AO.18.000368.

Transmission grating efficiencies for wavelengths between 5.4 A and 44.8 A.

Applied optics

H Bräuninger, P Predehl, K P Beuermann

PMID: 20208721 DOI: 10.1364/AO.18.000368

Abstract

Diffraction efficiencies of 44.8-5.4-A x rays by a free-standing gold transmission grating of 1.0-microm period have been measured, using characteristic line radiation. Partial transparency of the grating affects the efficiency at the shorter wavelengths and causes an increase in the efficiencies for orders m>/=1 over the longwavelength values. Model calculations for a trapezoidal wire cross section are in good agreement with the measured efficiencies and allow the wire cross section to be determined. Gratings of this type have a high efficiency for wavelengths as short as 5 A and are, therefore, well suited for applications both in x-ray and extreme uv astronomy.

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