High-level accuracy measurement of the absolute frequency of the red He-Ne/I2 laser stabilized

Jean-Jacques Zondy; M. Abed; Ouali Acef; D. G. Rovera; A. H. Gerard; Andre Clairon; Phillipe Laurent; Yves P. Millerioux; Patrick Juncar

doi:10.1117/12.143693

30 April 1993 High-level accuracy measurement of the absolute frequency of the red He-Ne/I₂ laser stabilized

Jean-Jacques Zondy, M. Abed, Ouali Acef, D. G. Rovera, A. H. Gerard, Andre Clairon, Phillipe Laurent, Yves P. Millerioux, Patrick Juncar

Author Affiliations +

Proceedings Volume 1837, Frequency-Stabilized Lasers and Their Applications; (1993) https://doi.org/10.1117/12.143693
Event: Applications in Optical Science and Engineering, 1992, Boston, MA, United States

Abstract

We have built an optical frequency synthesis chain starting from our laboratory-measured reference at 29 THz (CO₂/OsO₄ laser) to measure with a more than 10 fold improved accuracy the frequency of a He-Ne laser locked on a hyperfine transition of Iodine. The result of the measurement of the laser locked on the 'f' component of (127)R11-5 transition is (nu) equals 473 612 353 586.9 +/- 5 kHz. ((Delta) (nu) /(nu) equals 1. 10^-11). The uncertainty found is only limited by the reproducibility of that standard laser. Our chain is potentially capable of measuring optical frequencies from the visible to near IR range with an accuracy level of 10^-12, which is presently limited by our reference accuracy.

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Jean-Jacques Zondy, M. Abed, Ouali Acef, D. G. Rovera, A. H. Gerard, Andre Clairon, Phillipe Laurent, Yves P. Millerioux, and Patrick Juncar "High-level accuracy measurement of the absolute frequency of the red He-Ne/I₂ laser stabilized", Proc. SPIE 1837, Frequency-Stabilized Lasers and Their Applications, (30 April 1993); https://doi.org/10.1117/12.143693

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