8 March 1995 Intercomparison of the 127I2 stabilized He-Ne lasers at 633-nm wavelength of the IFA-IFTAR and the BIPM
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Proceedings Volume 2461, ROMOPTO '94: Fourth Conference in Optics; (1995) https://doi.org/10.1117/12.203473
Event: ROMOPTO '94: 4th Conference on Optics, 1994, Bucharest, Romania
Abstract
Results from an international comparison of 127I2 He-Ne stabilized lasers at 633 nm wavelength of the Institute of Atomic Physics-IFTAR, Department of Lasers (IFA-IFTAR), participating with the laser R0.1 and of the Bureau International des Poids et Mesures (BIPM), participating with the laser BIPM7 are reported. The frequency difference determined from the last three measurements resulted as (Delta) (nu) equals (nu) BIPM7 - (nu) R0.1 equals (38.2 +/- 1.3) kHz. Parameters which affected the reproducibility of the frequency for the lasers such as modulation width, iodine pressure (temperature) and laser intracavity power were also investigated. The frequency stability, expressed as the relative Allan variance, was measured for sampling times in the interval from 1 s to 1000 s and its value for a sampling time of 100 s resulted as 3.25 X 10-12.
© (1995) COPYRIGHT Society of Photo-Optical Instrumentation Engineers (SPIE). Downloading of the abstract is permitted for personal use only.
Gheorghe Popescu, Gheorghe Popescu, Jean-Marie Chartier, Jean-Marie Chartier, Anick Chartier, Anick Chartier, Alain Zarka, Alain Zarka, } "Intercomparison of the 127I2 stabilized He-Ne lasers at 633-nm wavelength of the IFA-IFTAR and the BIPM", Proc. SPIE 2461, ROMOPTO '94: Fourth Conference in Optics, (8 March 1995); doi: 10.1117/12.203473; https://doi.org/10.1117/12.203473
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