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Hewitt AV, Charman WN. The use of a cascade intensifier in coudé spectroscopy. Appl Opt. 1968;7(4):603-6doi: 10.1364/AO.7.000603.
Hewitt, A. V., & Charman, W. N. (1968). The use of a cascade intensifier in coudé spectroscopy. Applied optics, 7(4), 603-6. https://doi.org/10.1364/AO.7.000603
Hewitt, A V, and Charman, W N. "The use of a cascade intensifier in coudé spectroscopy." Applied optics vol. 7,4 (1968): 603-6. doi: https://doi.org/10.1364/AO.7.000603
Hewitt AV, Charman WN. The use of a cascade intensifier in coudé spectroscopy. Appl Opt. 1968 Apr 01;7(4):603-6. doi: 10.1364/AO.7.000603. PMID: 20068645.
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Appl Opt. 1968 Apr 01;7(4):603-6. doi: 10.1364/AO.7.000603.

The use of a cascade intensifier in coudé spectroscopy.

Applied optics

A V Hewitt, W N Charman

Affiliations

  1. Oxford University Department of Astrophysics.

PMID: 20068645 DOI: 10.1364/AO.7.000603

Abstract

An image intensifier system centered round a four-stage cascade intensifier, EMI type 9694, is described, the image being recorded by a moving plate camera. Astronomical observations were made on the coudé spectrograph of a 30-in. (76-cm) telescope; the dispersion in the blue was 3 A mm(-1). The system was found to be capable of spectrophotometry, the limiting stellar magnitude being 9, and showed considerable gains over alternative techniques in high time resolution observations.

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