Infrared Imaging and Speckle Observations with a TV Camera

Details Infrared Imaging and Speckle Observations with a TV Camera Infrared Imaging and Speckle Observations with a TV Camera

Mar 1981

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1981msngr..23....5l&link_type=abstract

The Messenger, No.23, P. 5, 1981

Physics

Optics

Scientific paper

The lack of suitable two-dimensional detectors has been a major problem for infrared imaging in astronomy, and most results so far have been obtained by scanning the object with a single detector (e. g., Terrile and Westphal,lcarus, 30, 730, 1977). The relative merit of both techniques was thoroughly investigated by Hall (Applied Optics, 10, 838, 1971) who concluded that, below about 2.5 ~lm, camera tubes should be preferred to scanners. Besides, sufficiently long times required by the scanning technique are not always available for some astronomical applications. These considerations led us to acquire a standard television camera equipped with an infrared vidicon tube N156 manufactured by Hamamatsu Co. (Japan).

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