Absolute frequency measurement of a CO2/OsO4 stabilized laser at 28.8 THz

A cw carbon dioxide laser operating on the 10 *mm R(0)I transition (28.832 THz) was frequency stabilized by a servo lock to the saturated absorption dip of the Q(15) transition of OsO4. The laser frequency was measured with a cesium-clock-based frequency chain. In addition, the absorption line frequ...

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Bibliographic Details
Published in:Applied physics. B, Lasers and optics Lasers and optics, 2001-04, Vol.72 (5), p.567-573
Main Authors: SIEMSEN, K. J, BERNARD, J. E, MADEJ, A. A, MARMET, L
Format: Article
Language:English
Subjects:
Biological and medical applications
Carbon dioxide
Carbon dioxide lasers
Chains
Dipping
Exact sciences and technology
Frequency measurement
Fundamental areas of phenomenology (including applications)
Lasers
Locks
Measurements common to several branches of physics and astronomy
Metrological applications
Metrology, measurements and laboratory procedures
Optics
Physics
Time and frequency
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Summary:A cw carbon dioxide laser operating on the 10 *mm R(0)I transition (28.832 THz) was frequency stabilized by a servo lock to the saturated absorption dip of the Q(15) transition of OsO4. The laser frequency was measured with a cesium-clock-based frequency chain. In addition, the absorption line frequencies Q(14) of OsO4 and sQ(4,3) of NH3, were measured relative to the frequency of Q(15).
ISSN:0946-2171
1432-0649
DOI:10.1007/s003400100550