Highly sensitive millimeter-wave spectrometer based on an orotron

B. S. Dumesh; V. D. Gorbatenkov; V. P. Kostromin; F. S. Rusin; L. A. Surin

doi:10.1117/12.166263

26 January 1994 Highly sensitive millimeter-wave spectrometer based on an orotron

B. S. Dumesh, V. D. Gorbatenkov, V. P. Kostromin, F. S. Rusin, L. A. Surin

Proceedings Volume 2205, 11th Symposium and School on High-Resolution Molecular Spectroscopy; (1994) https://doi.org/10.1117/12.166263
Event: High Resolution Molecular Spectroscopy: 11th Symposium and School, 1993, Moscow, Russian Federation

Abstract

The design and operation of a gas millimeter-wave spectrometer based on a tunable generator orotron are presented. The absorption cell occupies a part of the high quality (Q approximately equals 10⁴) orotron Fabry-Perot cavity. The limit of sensitivity (gamma) _min approximately equals (3- 5)X 10^-10 cm^-1 has been achieved with source frequency modulation at the output band of a receiver of 1 Hz. The narrow spectral width of the orotron radiation (10 - 15 kHz without locking) provides the Doppler resolution of spectral lines.

Citation Download Citation

B. S. Dumesh, V. D. Gorbatenkov, V. P. Kostromin, F. S. Rusin, and L. A. Surin "Highly sensitive millimeter-wave spectrometer based on an orotron", Proc. SPIE 2205, 11th Symposium and School on High-Resolution Molecular Spectroscopy, (26 January 1994); https://doi.org/10.1117/12.166263

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