A microprocessor stabilized submillimeter laser system

Details A microprocessor stabilized submillimeter laser system A microprocessor stabilized submillimeter laser system

Sep 1982

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1982ijimw...3..753w&link_type=abstract

International Journal of Infrared and Millimeter Waves, vol. 3, Sept. 1982, p. 753-763.

Astronomy and Astrophysics

Astronomy

7

Carbon Dioxide Lasers, Laser Stability, Numerical Control, Submillimeter Waves, Microprocessors, Schottky Diodes, Thermal Stability

Scientific paper

A mechanically and thermally stable submillimeter laser has been constructed and has an amplitude and frequency stability suitable for use as a local oscillator in a heterodyne receiver for astronomical investigations. The microprocessor stabilization reduces the receiver noise for different kinds of Schottky barrier diodes used. A short-time amplitude stability (10 minutes) of about + or - 0.5% and a long time amplitude stability (1 hour) of about + or - 1.2% have been recorded. Integration times up to one hour with a spectral resolution better than 200 KHz are possible with such a stabilized system.

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