Absolute frequency measurement of a diode laser locked on the 5S1/2-5D5/2 two-photon transitions of rubidium (lambda equals 778.1 nm, nu equals 385.3 THz)

Jean-Jacques Zondy; D. Touahri; Ouali Acef; L. Hilico; M. Abed; Andre Clairon; Yves P. Millerioux; Raymond Felder; Beatrice de Beauvoir; Francois Nez; Francois Biraben; Lucile Julien

doi:10.1117/12.208228

26 April 1995 Absolute frequency measurement of a diode laser locked on a hyperfine component of 5S_1/2-5D_5/2 two-photon transitions of rubidium (lambda equals 778.1 nm, nu equals 385.3 THz)

Jean-Jacques Zondy, D. Touahri, Ouali Acef, L. Hilico, M. Abed, Andre Clairon, Yves P. Millerioux, Raymond Felder, Beatrice de Beauvoir, Francois Nez, Francois Biraben, Lucile Julien

Author Affiliations +

Proceedings Volume 2378, Laser Frequency Stabilization and Noise Reduction; (1995) https://doi.org/10.1117/12.208228
Event: Photonics West '95, 1995, San Jose, CA, United States

Abstract

A frequency chain, derived from the one used to measure the absolute frequency ((nu) $= 473 THz) of the He-Ne/I₂ optical standard, is currently being implemented in order to measure the frequency of a diode laser stabilized on the two-photon transition of rubidium vapor. The measurement scheme is based on the comparison of the frequency of this near-IR potential secondary standard to the 13th harmonic frequency of the R(12)-CO₂/OsO₄ LPTF secondary standard at (nu) equals 29.096 THz. Recent results on the frequency synthesis are reported, enabling the testing of long-term stability of this Rb-locked system with respect to the IR reference standard.

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Jean-Jacques Zondy, D. Touahri, Ouali Acef, L. Hilico, M. Abed, Andre Clairon, Yves P. Millerioux, Raymond Felder, Beatrice de Beauvoir, Francois Nez, Francois Biraben, and Lucile Julien "Absolute frequency measurement of a diode laser locked on a hyperfine component of 5S_1/2-5D_5/2 two-photon transitions of rubidium (lambda equals 778.1 nm, nu equals 385.3 THz)", Proc. SPIE 2378, Laser Frequency Stabilization and Noise Reduction, (26 April 1995); https://doi.org/10.1117/12.208228

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