V-groove diffraction grating for use in an FUV spatial heterodyne interferometer

Details V-groove diffraction grating for use in an FUV spatial heterodyne interferometer V-groove diffraction grating for use in an FUV spatial heterodyne interferometer

Oct 1991

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1991spie.1549..313c&link_type=abstract

In: EUV, X-ray, and gamma-ray instrumentation for astronomy II; Proceedings of the Meeting, San Diego, CA, July 24-26, 1991 (A93

Astronomy and Astrophysics

Astronomy

1

Gratings (Spectra), Interferometers, Lyman Alpha Radiation, Optical Heterodyning, Ultraviolet Spectrometers, V Grooves, Beam Splitters, Collimators, Far Ultraviolet Radiation, High Resolution

Scientific paper

A need has arisen for efficient, blazed, symmetric gratings for use as beam splitters in far and extreme ultraviolet interferometers. In particular, the development of an all-reflection, far ultraviolet spatial heterodyne interferometer can benefit tremendously from such a grating. To fulfill this need, we have manufactured a mechanically ruled grating with a V-groove profile blazed for H Lyman-alpha at 1216 A. We present the grating performance at Lyman-alpha in the context of its application to the spatial heterodyne interferometer.

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