An imaging spectrometer for astronomy.

Details An imaging spectrometer for astronomy. An imaging spectrometer for astronomy.

Jul 1992

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1992crasb.315...45l&link_type=abstract

Comptes Rendus de l'Academie des Sciences, Sér. II, Tome 315, No. 1, p. 45 - 49

Computer Science

Scientific paper

The authors present a spectrometer with cross dispersion, which can cover the spectral range of grating with the high Fabry-Pérot resolution simultaneously for different points of a two-dimensional source. It is an "integral field" device with a multi-lens array, which can isolate contiguous points of the image. It is multichannel and integral spectral, as it obtains all the spectral elements during a scan, step by step, of only one interference order of the Fabry-Pérot. For 40-channel scanning, one obtains simultaneously 400 spectra with spectral resolution R ≡ 30,000 and a 200 nm range in the visible for a 2,000×2,000 pixel receptor.

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