Patent ID: 6230499
Filing Date: 2001-05-15
Classification: F25B,G01J,G01K

Abstract:
A detector device comprising:a cooling system havingfirst cooling means (20, 30) for providing a first cooling temperature (T.sub.K), said first cooling means comprising a two-stage pulse tube cooler system, in which a first pulse tube cooler (20) pre-cools a second pulse tube cooler (30), and 736second cooling means (82, 83, 85, 86, 87) for providing a second cooling temperature (T.sub.T), which is lower than the first cooling temperature (T.sub.K), said second cooling means being pre-cooled by said first cooling means; anddetector means (60) for detecting particles, radiation or fields with a sensor (101) based on a low temperature effect, said detector means being thermally coupled to said second cooling means.