DocumentCode :
1077972
Title :
Frequency instability measurements of the CH3OH optically pumped laser at 70.5 and 118 µm
Author :
Plainchamp, Patrick M.
Author_Institution :
Laboratoire Primaire du Temps et des Fréquences, Paris, France
Volume :
15
Issue :
9
fYear :
1979
fDate :
9/1/1979 12:00:00 AM
Firstpage :
860
Lastpage :
864
Abstract :
This paper reports frequency instability measurements made on two optically pumped CH3OH waveguide lasers working at 4.25 THz (70.5 μm) and at 2.52 THz (118 μm). The two-sample standard deviation \\sigma _{y}(\\tau ) is measured on the beat note generated by a point contact metal-insulator-metal diode. A fractional value of about 2 \\cdot 10^{-12} and 4 \\cdot 10^{-12} is reached over a 50 ms time interval, for the 70.5 μm and 118 μm line, respectively, of the free-running laser.
Keywords :
Gas lasers; Infrared lasers; Laser stability; Submillimeter-wave lasers; Waveguide lasers; Finite impulse response filter; Frequency measurement; Laser excitation; Laser noise; Laser stability; Optical pumping; Optical waveguides; Power lasers; Pump lasers; Waveguide lasers;
fLanguage :
English
Journal_Title :
Quantum Electronics, IEEE Journal of
Publisher :
ieee
ISSN :
0018-9197
Type :
jour
DOI :
10.1109/JQE.1979.1070160
Filename :
1070160
Link To Document :
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