Large area extreme ultraviolet focusing collector

Details Large area extreme ultraviolet focusing collector Large area extreme ultraviolet focusing collector

Apr 1975

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1975rsci...46..355h&link_type=abstract

Review of Scientific Instruments, vol. 46, Apr. 1975, p. 355-361.

Astronomy and Astrophysics

Astronomy

5

Accumulators, Far Ultraviolet Radiation, Photomultiplier Tubes, Rocket-Borne Instruments, Radiation Detectors, Spaceborne Astronomy, Stellar Spectrophotometry, X Ray Astronomy

Scientific paper

A grazing incidence one-dimensional focusing collector for use in the extreme ultraviolet is described. The collector has a field of view of 1 x 50 deg, a focal length of 3015 cm, and a total unobstructed area of 224 sq cm. The instrument employs an interchangeable detector package of either channel-electron multipliers or proportional counters which yield a limiting sensitivity of 1.0 photons/sq cm sec A at 170 A and 0.05 photons/sq cm sec A at 90 A, respectively, for one second integrations. The design and calibration of the instrument are described in detail. Data obtained by this instrument during recent rocket flights are presented.

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