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Proceedings Paper

Long-slit imaging dual-order spectrograph: LIDOS
Author(s): Stephan Robert McCandliss; Kevin France; Paul D. Feldman; Russell Pelton
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Paper Abstract

We report on the design and fabrication of a long-slit imaging dual order spectrograph to be launched on a sounding rocket-borne telescope. The instrument's purpose is to investigate faint emissions of extended astronomical regions near bright objects on intermediate angular scales (3 - 300") and with moderate spectral resolution (≈3 Å) in the 900 - 1650 Å bandpass. The design relies upon a toroidally figured holographically ruled grating to provide astigmatism correction in both orders and an intrinsically low scattered light level. The use of both orders doubles the collection efficiency, nearing that achievable with a blazed grating, while simultaneously providing a system redundancy that is desirable in the high risk environment of space-based astronomy missions. We will discuss the predicted instrument performance and present preliminary pre-flight calibration data.

Paper Details

Date Published: 24 February 2003
PDF: 12 pages
Proc. SPIE 4854, Future EUV/UV and Visible Space Astrophysics Missions and Instrumentation, (24 February 2003); doi: 10.1117/12.459772
Show Author Affiliations
Stephan Robert McCandliss, Johns Hopkins Univ. (United States)
Kevin France, Johns Hopkins Univ. (United States)
Paul D. Feldman, Johns Hopkins Univ. (United States)
Russell Pelton, Johns Hopkins Univ. (United States)

Published in SPIE Proceedings Vol. 4854:
Future EUV/UV and Visible Space Astrophysics Missions and Instrumentation
J. Chris Blades; Oswald H. W. Siegmund, Editor(s)

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