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Applied Optics

Applied Optics

APPLICATIONS-CENTERED RESEARCH IN OPTICS

  • Vol. 17, Iss. 19 — Oct. 1, 1978
  • pp: 3117–3124

Astronomical monochromatic imaging as applied to the Io sodium cloud

Frank J. Murcray and Richard Goody  »View Author Affiliations


Applied Optics, Vol. 17, Issue 19, pp. 3117-3124 (1978)
http://dx.doi.org/10.1364/AO.17.003117


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Abstract

We compare four types of instruments for recording monochromatic astronomical images: filters; slitless spectrographs; multislit spectrographs; and interferometers. Each of these instruments has been used on the sodium emission cloud of Io, with varying degrees of success. Multislit spectrographs and interferometers encode the signal, and it can be extracted with a noise level close to that for photon statistics. This is not normally the case for filters and slitless spectrographs. On balance, we find that a Mach-Zehnder interferometer provides the best system for imaging faint monochromatic signals on a brighter continuum background.

© 1978 Optical Society of America

History
Original Manuscript: February 22, 1978
Published: October 1, 1978

Citation
Frank J. Murcray and Richard Goody, "Astronomical monochromatic imaging as applied to the Io sodium cloud," Appl. Opt. 17, 3117-3124 (1978)
http://www.opticsinfobase.org/ao/abstract.cfm?URI=ao-17-19-3117

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