Successful Operation of a 1 THz NbN Hot-Electron Bolometer Receiver

Details Successful Operation of a 1 THz NbN Hot-Electron Bolometer Receiver Successful Operation of a 1 THz NbN Hot-Electron Bolometer Receiver

May 2000

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2000stt..conf...49t&link_type=abstract

Proceedings of the Eleventh International Symposium on Space Terahertz Technology, held May 1-3, 2000, at the University of Mich

Astronomy and Astrophysics

Astronomy

19

Scientific paper

A phonon-cooled NbN superconductive hot-electron bolometer receiver covering the frequency range 0.8-1.04 THz has successfully been used for astronomical observation at the Sub-Millimeter Telescope Observatory on Mount Graham, Arizona. This waveguide heterodyne receiver is a modified version of our fixed-tuned 800 GHz HEB receiver to allow for operation beyond 1 THz. The measured noise temperature of this receiver is about 1250 K at 0.81 THz, 560 K at 0.84 THz, and 1600 K at 1.035 THz. It has a 1 GHz wide IF bandwidth, centered at 1.8 GHz. This receiver has recently been used to detect the CO (9-8) molecular line emission at 1.037 THz in the Orion nebula. This is the first time a ground-based heterodyne receiver has been used to detect a celestial source above 1 THz.

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