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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Veröffentlicht in:	Applied physics. B, Lasers and optics Lasers and optics, 2001-04, Vol.72 (5), p.567-573
Hauptverfasser:	SIEMSEN, K. J, BERNARD, J. E, MADEJ, A. A, MARMET, L
Format:	Artikel
Sprache:	eng
Schlagworte:	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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Beschreibung
Zusammenfassung:	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