Real-time infrared imaging of stars using multiplex encoding techniques

Details Real-time infrared imaging of stars using multiplex encoding techniques Real-time infrared imaging of stars using multiplex encoding techniques

Feb 1982

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1982jopt...13....9c&link_type=abstract

Journal of Optics, vol. 13, Jan.-Feb. 1982, p. 9-11.

Physics

Optics

1

Astronomical Photography, Infrared Imagery, Real Time Operation, Signal Encoding, Stellar Spectrophotometry, Image Processing, Infrared Telescopes, Multiplexing, Photographic Recording, Speckle Patterns

Scientific paper

Real-time IR images of stellar sources have been recorded using an analog technique associated to multiplex encoding. A 32 x 32 pixels resolution used with a 3 arcsec field and a 10 images/sec rate permitted bidimensional recording of IR speckles. The current overall sensitivity limit at 2.2 microns, with a 1.5 m telescope is better than a K-magnitude of 1.76. This infrared imaging system is less costly than now available IR cameras, and it can easily fit various applications in several spectral domains.

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