Cooled detecting device
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United States of America Patent
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Dec 25, 2018
Grant Date -
Jan 19, 2017
app pub date -
Mar 6, 2015
filing date -
Mar 6, 2014
priority date (Note) -
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Abstract
A detection device for infrared radiation has a detection circuit of infrared radiation equipped with at least one photodetector. A readout circuit is electrically connected to the detection circuit, and is configured to process the signal emitted by the detection circuit. A Joule-Thomson cooler cools a cold table thermally and mechanically connected to the detection circuit and the readout circuit. The cold table including an internal cavity supplied with gaseous mixture. A relief port of the gas mixture is arranged at an input in the internal cavity. An output of the compressor feeds the relief port in a gaseous mixture. The input of the compressor receives the relaxed gaseous mixture from an output of the internal cavity.
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