16 x 25 Ge:Ga detector arrays for FIFI LS

Dirk Rosenthal; Jeffrey W. Beeman; Norbert Geis; Leslie W. Looney; Albrecht Poglitsch; Won Kee Park; Walfried Raab; Alexander Urban

doi:10.1117/12.389096

20 June 2000 16 x 25 Ge:Ga detector arrays for FIFI LS

Dirk Rosenthal, Jeffrey W. Beeman, Norbert Geis, Leslie W. Looney, Albrecht Poglitsch, Won Kee Park, Walfried Raab, Alexander Urban

Author Affiliations +

Proceedings Volume 4014, Airborne Telescope Systems; (2000) https://doi.org/10.1117/12.389096
Event: Astronomical Telescopes and Instrumentation, 2000, Munich, Germany

Abstract

We are developing 2D 16 X 25 pixel detector arrays of both unstressed and stressed Ge:Ga photoconductive detectors for far-infrared astronomy from SOFIA. The arrays, based on earlier 5 X 5 detector arrays used on the KAO, will be for our new instrument, the Far Infrared Field Imaging Line Spectrometer (FIFI LS). The unstressed Ge:Ga detector array will cover the wavelength range from 40 to 120 micrometers , and the stressed Ge:Ga detector array from 120 to 210 micrometers . The detector arrays will be operated with multiplexed integrating amplifiers with cryogenic readout electronics located close to the detector arrays. The design of the stressed detector array and results of current measurements on several prototype 16 pixel linear arrays will be reported. They demonstrate the feasibility of the current concept.

Citation Download Citation

Dirk Rosenthal, Jeffrey W. Beeman, Norbert Geis, Leslie W. Looney, Albrecht Poglitsch, Won Kee Park, Walfried Raab, and Alexander Urban "16 x 25 Ge:Ga detector arrays for FIFI LS", Proc. SPIE 4014, Airborne Telescope Systems, (20 June 2000); https://doi.org/10.1117/12.389096

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