Design And Calibration Of A Two-Channel Low Noise Heterodyne Receiver At 10.6 Microns

C. A. Bennett; R. K. Richards; D. P. Hutchinson

doi:10.1117/12.978381

18 November 1989 Design And Calibration Of A Two-Channel Low Noise Heterodyne Receiver At 10.6 Microns

C. A. Bennett, R. K. Richards, D. P. Hutchinson

Proceedings Volume 1039, 13th Intl Conf on Infrared and Millimeter Waves; (1989) https://doi.org/10.1117/12.978381
Event: 13th International Conference on Infrared and Millimeter Waves, 1987, Honolulu, HI, United States

Abstract

A dual channel, low noise heterodyne receiver has been constructed for Thomson scattering from alpha particles in a burning plasma experiment. A real time calibration method has been devised which references the integrated system noise to a blackbody source. Two wideband (>1GHz) HgCdTe photovoltaic mixers yield a double sideband system noise equivalent power of less than 1.5 x 10-20 W/Hz.

Citation Download Citation

C. A. Bennett, R. K. Richards, and D. P. Hutchinson "Design And Calibration Of A Two-Channel Low Noise Heterodyne Receiver At 10.6 Microns", Proc. SPIE 1039, 13th Intl Conf on Infrared and Millimeter Waves, (18 November 1989); https://doi.org/10.1117/12.978381

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