Efficiencies of a transmission grating with 2000 wires/mm for diffracting X-rays into orders

Details Efficiencies of a transmission grating with 2000 wires/mm for diffracting X-rays into orders Efficiencies of a transmission grating with 2000 wires/mm for diffracting X-rays into orders

Jan 1980

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1980apopt..19..190p&link_type=abstract

Applied Optics, vol. 19, Jan. 15, 1980, p. 190, 191.

Astronomy and Astrophysics

Astronomy

1

Diffraction Patterns, Gratings (Spectra), Transmission Efficiency, X Ray Diffraction, Helium-Neon Lasers, Wavelengths, X Ray Astronomy, X Ray Spectroscopy

Scientific paper

Efficiencies of a grating facet with 2000 wires/mm (facet size: 4 x 10 sq mm) were measured by using characteristic-line radiation at six wavelengths between 19.5 and 3.4 A, with spectral resolution limited to 0.8 A. No systematic differences between left- and right-order efficiencies, measured up to the third order, were found. There is good agreement between the observed and theoretically predicted efficiencies and it is suggested that both X-ray astronomy and laboratory physics, including monochromator design, may benefit from the increased line density found.

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