Astronomical demonstration of an infrared upconverter

Details Astronomical demonstration of an infrared upconverter Astronomical demonstration of an infrared upconverter

Jun 1974

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1974natur.249..638g&link_type=abstract

Nature, Volume 249, Issue 5458, pp. 638-639 (1974).

Astronomy and Astrophysics

Astronomy

4

Scientific paper

AN upconverter based on a laboratory system1 developed at the Optical Sciences Center (OSC), University of Arizona, has been used to convert infrared photons from astronomical sources to higher frequency quanta that were detected with a pulse-counting photomultiplier photometer. These observations, made at the Coudé focus of the Steward Observatory 90-inch (229-cm) reflector on Kitt Peak, represent the first successful astronomical demonstration of infrared upconversion, although infrared laser heterodyne radiometry has recently been used to detect the Sun2 and α Boo3.

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