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Proceedings Paper

Toward the final optical design MOONS, the Multi-Object Optical and Near infrared Spectrometer for the VLT
Author(s): E. Oliva; B. Delabre; A. Tozzi; D. Ferruzzi; D. Lee; I. Parry; P. Rees
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Paper Abstract

MOONS (Multi-Object Optical and Near-infrared Spectrograph for the VLT) is entering into the final design phase. This paper presents and discusses the latest proposed version of the optical design of the cryogenic spectrograph. The main developments and modifications were aimed at minimizing the overall size and mass of the cryogenic spectrograph. The most remarkable new feature is the design of an extremely fast (F/0.95), light and compact (40 kg in less than 80 dm3) camera with superb image quality over a very large field of view (9 degrees on a collimated beam of 265 mm). The camera consists of only three optical elements: two lenses and one mirror. All elements are made of fused-silica. The optical performances are independent on the temperature, i.e. the camera can be fully characterized at room temperatures.

Paper Details

Date Published: 9 August 2016
PDF: 9 pages
Proc. SPIE 9908, Ground-based and Airborne Instrumentation for Astronomy VI, 99087R (9 August 2016); doi: 10.1117/12.2231388
Show Author Affiliations
E. Oliva, INAF - Osservatorio Astrofisico di Arcetri (Italy)
B. Delabre, European Southern Observatory (Germany)
A. Tozzi, INAF - Osservatorio Astrofisico di Arcetri (Italy)
D. Ferruzzi, INAF - Osservatorio Astrofisico di Arcetri (Italy)
D. Lee, UK Astronomy Technology Ctr. (United Kingdom)
I. Parry, Univ. of Cambridge (United Kingdom)
P. Rees, UK Astronomy Technology Ctr. (United Kingdom)


Published in SPIE Proceedings Vol. 9908:
Ground-based and Airborne Instrumentation for Astronomy VI
Christopher J. Evans; Luc Simard; Hideki Takami, Editor(s)

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