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Optics Express

Optics Express

  • Editor: C. Martijn de Sterke
  • Vol. 17, Iss. 12 — Jun. 8, 2009
  • pp: 9582–9587

Ultra-stable, widely tunable and absolutely linked mid-IR coherent source

I. Galli, S. Bartalini, P. Cancio, G. Giusfredi, D. Mazzotti, and P. De Natale  »View Author Affiliations

Optics Express, Vol. 17, Issue 12, pp. 9582-9587 (2009)

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We report on a new coherent source that, using a phase-lock scheme to an optical frequency-comb synthesizer, achieves a 10-Hz intrinsic linewidth, is tunable from 4 to 4.5 µm with a presettable absolute frequency and, when coupled to a high-finesse cavity, can provide a short-term absorption sensitivity of 1.3·10-11 cm-1Hz-1/2. These unique spectral features make this source a precise tool for molecular physics.

© 2009 Optical Society of America

OCIS Codes
(140.3070) Lasers and laser optics : Infrared and far-infrared lasers
(230.5750) Optical devices : Resonators
(300.6390) Spectroscopy : Spectroscopy, molecular
(190.4223) Nonlinear optics : Nonlinear wave mixing

ToC Category:
Lasers and Laser Optics

Original Manuscript: March 26, 2009
Revised Manuscript: April 30, 2009
Manuscript Accepted: May 1, 2009
Published: May 22, 2009

I. Galli, S. Bartalini, P. Cancio, G. Giusfredi, D. Mazzotti, and P. De Natale, "Ultra-stable, widely tunable and absolutely linked mid-IR coherent source," Opt. Express 17, 9582-9587 (2009)

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