Long-slit imaging dual-order spectrograph: LIDOS

Stephan Robert McCandliss; Kevin France; Paul D. Feldman; Russell Pelton

doi:10.1117/12.459772

24 February 2003 Long-slit imaging dual-order spectrograph: LIDOS

Stephan Robert McCandliss, Kevin France, Paul D. Feldman, Russell Pelton

Proceedings Volume 4854, Future EUV/UV and Visible Space Astrophysics Missions and Instrumentation; (2003) https://doi.org/10.1117/12.459772
Event: Astronomical Telescopes and Instrumentation, 2002, Waikoloa, Hawai'i, United States

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.

Citation Download Citation

Stephan Robert McCandliss, Kevin France, Paul D. Feldman, and Russell Pelton "Long-slit imaging dual-order spectrograph: LIDOS", Proc. SPIE 4854, Future EUV/UV and Visible Space Astrophysics Missions and Instrumentation, (24 February 2003); https://doi.org/10.1117/12.459772

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