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Limitations and Future of Reticon Detectors

Published online by Cambridge University Press:  19 July 2016

Gordon A. H. Walker
Gordon A. H. Walker*
Affiliation:
Geophysics and Astronomy Department, University of British Columbia, Vancouver, B.C., V6T 1W5, Canada

Abstract

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Linear arrays of self-scanned silicon diodes have been used in astronomical spectroscopy for over a decade. With care in the flat-fielding and data reduction they can be calibrated to better than 0.1%. They are still the best detector for signal to noise levels >100 when continuous wide-band coverage is needed. CCD's should be capable of this spectrophotometric performance but, for the forseeable future, the lack of a large format and their high cost only make them competitive for spectroscopy of single spectral features or multiple echelle spectra.

Type
I. Spectrographs, Detectors, Fourier Transform Spectroscopy, and Radial Velocities
Information
Symposium - International Astronomical Union , Volume 132: The Impact of Veryhigh S/N Spectroscopy on Stellar Physics , 1988 , pp. 39 - 44
Copyright
Copyright © Kluwer 1988 

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