Regular paper

Applied Physics B

, Volume 67, Issue 2, pp 217-221

First online:

Frequency measurements of saturated-fluorescence-stabilized CO2 laser lines: comparison with an OsO4-stabilized CO2 laser standard

  • B. FrechAffiliated withLaboratoire de Physique des Lasers, Université Paris 13, Av. J.-B. Clément, 93430 Villetaneuse, France (Fax: +33-1/49 40-32 00, E-mail: amy@lpl.univ-parisl3.fr)
  • , L.F. ConstantinAffiliated withLaboratoire de Physique des Lasers, Université Paris 13, Av. J.-B. Clément, 93430 Villetaneuse, France (Fax: +33-1/49 40-32 00, E-mail: amy@lpl.univ-parisl3.fr)
  • , A. Amy-KleinAffiliated withLaboratoire de Physique des Lasers, Université Paris 13, Av. J.-B. Clément, 93430 Villetaneuse, France (Fax: +33-1/49 40-32 00, E-mail: amy@lpl.univ-parisl3.fr)
  • , O. PhavorinAffiliated withLaboratoire de Physique des Lasers, Université Paris 13, Av. J.-B. Clément, 93430 Villetaneuse, France (Fax: +33-1/49 40-32 00, E-mail: amy@lpl.univ-parisl3.fr)
  • , C. DaussyAffiliated withLaboratoire de Physique des Lasers, Université Paris 13, Av. J.-B. Clément, 93430 Villetaneuse, France (Fax: +33-1/49 40-32 00, E-mail: amy@lpl.univ-parisl3.fr)
  • , C. ChardonnetAffiliated withLaboratoire de Physique des Lasers, Université Paris 13, Av. J.-B. Clément, 93430 Villetaneuse, France (Fax: +33-1/49 40-32 00, E-mail: amy@lpl.univ-parisl3.fr)
  • , M. MürtzAffiliated withInstitut für Angewandte Physik, Universität Bonn, Wegelerstr. 8, D-53115 Bonn, Germany (Fax: +49-228/73-3474, E-mail: frech@iap.uni-bonn.de)

Rent the article at a discount

Rent now

* Final gross prices may vary according to local VAT.

Get Access

4

frequency grid, to test the performance of the saturated fluorescence method for CO2 laser frequency stabilization. The Allan variance for the saturated-fluorescence-stabilized CO2 laser reached 60 Hz for an integration time of 300 s. We also performed three absolute measurements of CO2 laser frequencies stabilized by the saturated fluorescence method, with a sub-kHz accuracy. We obtained a 1.7 kHz redshift of the CO2 saturated fluorescence lines, which we attribute essentially to pressure. This is in contradiction with the previous observation of a blueshift [K.L. SooHoo, C. Freed, J.E.  Thomas, H.A. Haus: Phys. Rev. Lett. 53, 1437 (1984)]. Furthermore, significant deviations of the measured frequencies from the data of Maki et al. [A.G. Maki, C.-C. Chou, K. Evenson, L.R. Zink, J.T. Shy: J. Mol. Spec. 167, 211 (1994)] demonstrate the need for a new calibration of the CO2 frequency grid.

PACS: 06.20.-f; 07.57.Ty; 33.70.Jg