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Opt Express. 2011 Feb 14;19(4):3155-62. doi: 10.1364/OE.19.003155.

Optical frequency comb assisted laser system for multiplex precision spectroscopy.

Author information

  • 1European Laboratory for Non-Linear Spectroscopy (LENS) and Dipartimento di Fisica,Universit√° degli Studi di Firenze, Via N. Carrara 1, 50019-Sesto Fiorentino (FI), Italy. consolino@lens.unifi.it

Abstract

A laser system composed of two lasers phase-locked onto an Optical Frequency Comb Synthesizer (OFCS), operating around 1083 nm, was developed. An absolute frequency precision of 6x10(-13) at 1s, limited by the OFCS, was measured with a residual rms phase-noise of 71 mrad and 87 mrad for the two phase-locks, respectively. Multiplex spectroscopy on 1083 nm Helium transitions with this set-up is demonstrated. Generalization of this system to a larger number of OFCS assisted laser sources for wider frequency separations, even in other spectral regions, is discussed.

PMID:
21369137
[PubMed]
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