Frequency multipliers for millimeter and submillimeter wavelengths

Details Frequency multipliers for millimeter and submillimeter wavelengths Frequency multipliers for millimeter and submillimeter wavelengths

Nov 1992

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1992ieeep..80.1842r&link_type=abstract

IEEE, Proceedings (ISSN 0018-9219), vol. 80, no. 11, p. 1842-1852.

Astronomy and Astrophysics

Astronomy

10

Frequency Multipliers, Gunn Diodes, Millimeter Waves, Schottky Diodes, Submillimeter Waves, Frequency Ranges, Radio Astronomy, Remote Sensing, Spaceborne Astronomy

Scientific paper

All-solid-state local oscillators in the terahertz frequency range are especially needed for space-borne radio astronomy and remote sensing of the atmosphere. Because solid-state oscillators cannot yet produce the necessary local oscillator power at submillimeter wavelengths, frequency multipliers are needed. So far, submillimeter-wave frequency multipliers are mainly based on a whisker-contacted Schottky diode as the nonlinear element. This paper discusses the multiplier theory and tools for analysis and design of millimeter- and submillimeter-wave multipliers. Experimental work is reviewed. The Schottky diode model at submillimeter frequencies, use of Schottky multiplier chains versus direct higher-order multipliers, and the effect of cooling on Schottky diode multipliers are discussed. Alternative diodes such as the high electron mobility varactor, the barrier-intrinsic n(+) diode, the barrier-n-n(+) diode, the quantum well diode, and the single barrier varactor are discussed, with attention also given to their potential as submillimeter frequency multipliers.

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