A spectrometer to measure the diffuse, astronomical extreme ultraviolet background

Details A spectrometer to measure the diffuse, astronomical extreme ultraviolet background A spectrometer to measure the diffuse, astronomical extreme ultraviolet background

Jan 1986

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1986spie..627..379l&link_type=abstract

IN: Instrumentation in astronomy VI; Proceedings of the Meeting, Tucson, AZ, Mar. 4-8, 1986. Part 1 (A87-36376 15-35). Bellingha

Astronomy and Astrophysics

Astronomy

Astronomical Spectroscopy, Background Radiation, Extreme Ultraviolet Radiation, Ultraviolet Spectrometers, Gratings (Spectra), Grazing Incidence, Paraboloid Mirrors, Spectral Resolution, Wire Grid Lenses

Scientific paper

The authors have designed a grazing incidence spectrometer to measure the diffuse astronomical background between 80 and 650 Å. The instrument uses a wire grid collimator to define a 40arcmin by 15° field of view. After passing through the collimator, radiation impinges on an array of plane reflection gratings. An array of mirrors then focuses the diffracted light through a thin filter onto a microchannel plate detector. The resulting system focuses to a few arc minutes and produces spectra with 10 to 20 Å resolution. Performance characteristics of the spectrometer are discussed.

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