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Published July 1991 | Published
Journal Article Open

The Berkeley tunable far infrared laser spectrometers

Abstract

A detailed description is presented for a tunable far infrared laser spectrometer based on frequency mixing of an optically pumped molecular gas laser with tunable microwave radiation in a Schottky point contact diode. The system has been operated on over 30 laser lines in the range 10–100 cm^–1 and exhibits a maximum absorption sensitivity near one part in 10^6. Each laser line can be tuned by ±110 GHz with first-order sidebands. Applications of this instrument are detailed in the preceding paper.

Additional Information

© 1991 American Institute of Physics (Received 24 September 1990; accepted 10 March 1991) The Berkeley tunable FIR laser project has been funded by several different agencies over the ten-year development period. These include the National Science Foundation Grant #CHE-9044712; the Director, Office of Energy Research, Office of Basic Energy Sciences, Chemical Sciences Division of the U.S. Department of Energy under Contract No. DE-AC03-76SF00098; the Army Research Office Grant #DAAL03-86-G-0184; the Office of Naval Research Grant #N00014-90-J-1368; and NASA Grant #NAGW 1022. We thank these agencies for their support.

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August 22, 2023
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