An achromatized spectrograph camera for the near-infrared

Details An achromatized spectrograph camera for the near-infrared An achromatized spectrograph camera for the near-infrared

Feb 1991

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1991mnras.248..583e&link_type=abstract

Monthly Notices of the Royal Astronomical Society (ISSN 0035-8711), vol. 248, Feb. 1, 1991, p. 583, 584.

Astronomy and Astrophysics

Astronomy

Cameras, Infrared Astronomy, Infrared Detectors, Near Infrared Radiation, Spectrographs

Scientific paper

The camera described here has been designed for the atmospheric windows between 1 and 5 microns. By using a self-achromatic lens, chromatic difference of focus is corrected and the image spread is less than 35 microns over the whole spectral region and at the same focal plane. Configurations are given for pixel sizes of 35 and 60 microns, seeing discs of .5 and 1 arcsec, and telescope diameters of 4 and 8 m.

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