ISSTT Proceedings

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A Practical Schottky Mixer for 5 THz

Authors:
A. L. Betz, R. T. Boreiko
Abstract:
The wavelength band between 60 and 120 µm is particularly important for observations of the interstellar medium, for it is here that the cores of galactic molecular clouds radiate most of their energy. Both continuum. radiation from warm dust grains and line radiation from ions, atoms, and molecules are important cooling mechanisms for material warmed by the intense UV radiation from newly formed stars. Velocity gradients within the clouds are so small that the resolving power of the spectrometer should exceed 10 6, if the intrinsic line shapes (and the information they contain) are not to be degraded. Heterodyne receivers capable of such resolution have so far only been operated at wavelengths >118µm (2.5 THz).
Categories:
Diodes, Receivers
Year:
1995
Session:
1
Full-text:
Download a PDF of this paper.
Page Number(s):
28-33