Astronomy and Astrophysics – Astronomy
Scientific paper
Jun 2006
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2006newar..50..279p&link_type=abstract
New Astronomy Reviews, Volume 50, Issue 4-5, p. 279-284.
Astronomy and Astrophysics
Astronomy
2
Scientific paper
Integral field spectroscopy (IFS) provides a spectrum simultaneously for each spatial sample of an extended, two-dimensional field. It consists of an integral field unit (IFU) which slices and re-arranges the initial field along the entrance slit of a spectrograph. This article presents a deviation of the classical design of IFU based on the advanced image slicer concept [Content, R., 1997. A new design for integral field spectroscopy with 8-m telescopes. Proc. SPIE 2871, 1295]. To reduce optical aberrations, pupil and slit mirrors are disposed in a fan-shaped configuration that means that angles between incident and reflected beams on each elements are minimized. The fan-shaped image slicer is explained more in details in [Vivès, S., Prieto, E. submitted for publication. An original image slicer designed for Integral Field Spectroscopy with NIRSpec/JSWT. Opt Eng. Available from: ArXiv Physics e-prints, arXiv:0512002.] As an example, we are presenting the design LAM used for its proposal at the NIRSPEC/IFU invitation of tender.
Prieto Eric
Vivès Sébastien
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