G.A. Arakelov, V.R. Magnushevskiy, V.N. Sivenkova, I.M. Troitskiy, G.A. Kazantsev

State Unitary Enterprise "RD&P Centre "Orion", Moscow, Russia

   Construction of a gas filled 64-area photodetector based on PbSe with a two-stage thermoelectric cooler (TEC) was developed. In a stationary operation mode TEC with 3.3 V power consumption (power current is
1.0 A) provides cooling a photosensitive element to -50°C at the environment temperature of 18°C. Interconnection of optimal operating TEC characteristics and a value of heat resistance of a heat-sink is theoretically motivated and experimentally confirmed.

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