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Infrared detector arrays with multiplexing cryogenic read-out electronics for isophot |
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| Affiliation: | 1. State Key Laboratory of Urban Water Resource and Environment, School of Municipal and Environmental Engineering, Harbin Institute of Technology, No. 73 Huanghe Road, Nangang District, Harbin, 150090, China;2. Heilongjiang Province Environmental Monitoring Center, NO. 2, Weixing Road, Daowai District, Harbin, 150056, China;3. Stockbridge School of Agriculture, University of Massachusetts, Amherst, MA, 01003, USA |
| Abstract: | Cryogenic Read out Electronic circuits (CRE) are developed in a CMOS technology for the multiplexing operation at temperatures around 4 K and below of extrinsic photoconducting detectors and detector arrays of Ge and Si in the Infrared Space Observatory (ISO) instrument ISOPHOT covering a wavelength region between 10–200 μm. Measurements on the 66 elements spectroscopic array ISOPHOTS2 show performance data of an NEP around 4 × 10−17W/√Hz and a voltage responsivity of 1014V/Ws at low background operation. |
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