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Proceedings Paper

Setup and performances of the SNAP spectrograph demonstrator
Author(s): C. Cerna; M. H. Aumeunier; E. Prieto; A. Ealet; P. Karst; A. Castera; G. Smadja; T. Soilly; P. E. Crouzet
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Paper Abstract

An integral field spectrograph concept has been developed for the SNAP/JDEM(SuperNova/Acceleration Probe) experiment. This spectrograph will be optimized for faint supernovae and galaxies in a 3×6 arsec2 at low spectral resolution (R~100) through the wavelength range (0.35-1.7 μm). The integral field method is based on glass image slicer. A prototype of this instrument has been build to validate the concept and prove the optical and functional requirements of the SNAP spectrograph. In this paper, we present the first results of this demonstrator. We describe the demonstrator philosophy, set up and functional performances. We present then the first experimental results obtained in the visible range. We validate the slicer optical quality through a set of measurements: PSF, optical losses.

Paper Details

Date Published: 12 July 2008
PDF: 12 pages
Proc. SPIE 7010, Space Telescopes and Instrumentation 2008: Optical, Infrared, and Millimeter, 70101A (12 July 2008); doi: 10.1117/12.789583
Show Author Affiliations
C. Cerna, CPPM (France)
M. H. Aumeunier, CPPM (France)
LAM (France)
E. Prieto, LAM (France)
A. Ealet, CPPM (France)
P. Karst, CPPM (France)
A. Castera, IPNL (France)
G. Smadja, IPNL (France)
T. Soilly, CPPM (France)
P. E. Crouzet, CPPM (France)

Published in SPIE Proceedings Vol. 7010:
Space Telescopes and Instrumentation 2008: Optical, Infrared, and Millimeter
Jacobus M. Oschmann Jr.; Mattheus W. M. de Graauw; Howard A. MacEwen, Editor(s)

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