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Optics Letters

Optics Letters


  • Editor: Alan E. Willner
  • Vol. 37, Iss. 23 — Dec. 1, 2012
  • pp: 4847–4849

Adaptive dual-comb spectroscopy in the green region

T. Ideguchi, A. Poisson, G. Guelachvili, T. W. Hänsch, and N. Picqué  »View Author Affiliations

Optics Letters, Vol. 37, Issue 23, pp. 4847-4849 (2012)

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Dual-comb spectroscopy is extended to the visible spectral range with two short-pulse frequency-doubled free-running ytterbium-doped fiber lasers. When the spectrum is shifted to other domains by nonlinear frequency conversion, tracking the relative fluctuations of the femtosecond oscillators at their fundamental wavelength automatically produces the correction signal needed for the recording of distortion-free spectra. The dense rovibronic spectrum of iodine around 19,240cm1 is recorded within 12 ms at Doppler-limited resolution.

© 2012 Optical Society of America

OCIS Codes
(120.3180) Instrumentation, measurement, and metrology : Interferometry
(120.6200) Instrumentation, measurement, and metrology : Spectrometers and spectroscopic instrumentation
(140.4050) Lasers and laser optics : Mode-locked lasers
(300.6300) Spectroscopy : Spectroscopy, Fourier transforms
(300.6390) Spectroscopy : Spectroscopy, molecular
(300.6550) Spectroscopy : Spectroscopy, visible

ToC Category:

Original Manuscript: August 29, 2012
Revised Manuscript: October 16, 2012
Manuscript Accepted: October 17, 2012
Published: November 22, 2012

T. Ideguchi, A. Poisson, G. Guelachvili, T. W. Hänsch, and N. Picqué, "Adaptive dual-comb spectroscopy in the green region," Opt. Lett. 37, 4847-4849 (2012)

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Fig. 1. Fig. 2. Fig. 3.

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