Far-infrared array reciever (FAR) for SOFIA

Christopher K. Walker; Christopher E. Groppi; Christian Y. Drouet d'Aubigny; Gondon Chen; Rudolf T. Schieder; Gopal Narayanan; Arthur W. Lichtenberger; Peter H. Siegel

doi:10.1117/12.389093

20 June 2000 Far-infrared array reciever (FAR) for SOFIA

Christopher K. Walker, Christopher E. Groppi, Christian Y. Drouet d'Aubigny, Gondon Chen, Rudolf T. Schieder, Gopal Narayanan, Arthur W. Lichtenberger, Peter H. Siegel

Author Affiliations +

Proceedings Volume 4014, Airborne Telescope Systems; (2000) https://doi.org/10.1117/12.389093
Event: Astronomical Telescopes and Instrumentation, 2000, Munich, Germany

Abstract

In this paper, we present the design for a 16-channel heterodyne array receiver for use on SOFIA. The array will be capable of using either hot-electron bolometers or membrane mounted Schottky diodes in efficient, low-cost waveguide mounts. Focal plane arrays will be constructed to target astrophysically important lines between approximately 1.9 and 3 THz. Due to the prevailing physical conditions in the interstellar medium, this frequency range is one of the richest in the FIR portion of the spectrum. An array receiver designed for this wavelength range will make excellent use of the telescope and the available atmospheric transmission, and will provide a new perspective on stellar, chemical, and galaxy evolution in the present as well as past epochs. The proposed system uses the most sensitive detectors available in an efficient optical system.

Citation Download Citation

Christopher K. Walker, Christopher E. Groppi, Christian Y. Drouet d'Aubigny, Gondon Chen, Rudolf T. Schieder, Gopal Narayanan, Arthur W. Lichtenberger, and Peter H. Siegel "Far-infrared array reciever (FAR) for SOFIA", Proc. SPIE 4014, Airborne Telescope Systems, (20 June 2000); https://doi.org/10.1117/12.389093

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