Advances in detectors for astronomical spectroscopy

Details Advances in detectors for astronomical spectroscopy Advances in detectors for astronomical spectroscopy

Nov 1982

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1982ntoi..307..531b&link_type=abstract

(Royal Society, Discussion on New Techniques in Optical and Infrared Spectroscopy, London, England, Apr. 21, 22, 1982.) Royal So

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Applications

Astronomical Spectroscopy, Charge Coupled Devices, Image Converters, Image Processing, Radiation Detectors, Astronomical Photography, Camera Tubes, Electronography, Image Intensifiers, Infrared Detectors, Optical Emission Spectroscopy, Solid State Devices, Ultraviolet Spectroscopy

Scientific paper

It is pointed out that spectroscopy is the most important investigative technique applied in astronomy. In many respects it is far more challenging to find appropriate image-reproducing detectors for astronomical spectroscopy than for direct-imaging applications. A functional tree is presented to show the operation of various practical imaging detectors in current or planned use. A clear trend in the use of detectors in astronomy in recent years has been the increased application of electronic data processing and computer techniques. An account is given of some of the techniques implied in the functional tree, taking into account detectors suitable for astronomical applications in the ultraviolet, optical, and near infrared (to about 1 micrometer) spectral ranges. Attention is given to photographic emulsions, electronography, image intensifiers, integrating television camera tubes, image photon-counting systems, and solid-state detectors.

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