Very high X-ray efficiency from a blazed grating

Details Very high X-ray efficiency from a blazed grating Very high X-ray efficiency from a blazed grating

Jan 1982

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1982apopt..21...17c&link_type=abstract

Applied Optics, vol. 21, Jan. 1, 1982, p. 17, 18.

Astronomy and Astrophysics

Astronomy

18

Gold Coatings, Gratings (Spectra), Optical Reflection, X Ray Diffraction, Reflectance, X Ray Astronomy

Scientific paper

The efficiency of X-ray diffraction from reflection gratings has been investigated experimentally using a gold-coated plane grating of 25 x 120 mm with a nominal blaze angle of 21 deg in a conical diffraction mount. Results show that conical diffraction is capable of producing very high dispersion efficiencies. The peak of first order at 13.3 A is 40%; at 44 A, the peak is 34%. The most immediate application of this result is to X-ray astronomy where sources are weak.

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