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Optics Letters

Optics Letters


  • Editor: Alan E. Willner
  • Vol. 38, Iss. 13 — Jul. 1, 2013
  • pp: 2360–2362

High-power mid-infrared frequency comb source based on a femtosecond Er:fiber oscillator

Feng Zhu, Holger Hundertmark, Alexandre A. Kolomenskii, James Strohaber, Ronald Holzwarth, and Hans A. Schuessler  »View Author Affiliations

Optics Letters, Vol. 38, Issue 13, pp. 2360-2362 (2013)

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We report on a high-power mid-infrared (MIR) frequency comb source based on a femtosecond (fs) Er:fiber oscillator with a stabilized repetition rate of 250 MHz. The MIR frequency comb is produced through difference frequency generation in a periodically poled MgO-doped lithium niobate crystal. The output power is about 120 mW, with a pulse duration of about 80 fs and spectrum coverage from 2.9 to 3.6 μm, and the single comb mode power is larger than 0.3 μW over the range of 700 nm. The coherence properties of the produced high-power broadband MIR frequency comb are maintained, which was verified by heterodyne measurements. As the first application, the spectrum of a 200ppm methane–air mixture in a short 20 cm glass cell at ambient atmospheric pressure and temperature was measured.

© 2013 Optical Society of America

OCIS Codes
(140.3070) Lasers and laser optics : Infrared and far-infrared lasers
(190.7110) Nonlinear optics : Ultrafast nonlinear optics
(300.6390) Spectroscopy : Spectroscopy, molecular

ToC Category:
Lasers and Laser Optics

Original Manuscript: February 20, 2013
Revised Manuscript: May 21, 2013
Manuscript Accepted: June 4, 2013
Published: June 28, 2013

Virtual Issues
Vol. 8, Iss. 8 Virtual Journal for Biomedical Optics

Feng Zhu, Holger Hundertmark, Alexandre A. Kolomenskii, James Strohaber, Ronald Holzwarth, and Hans A. Schuessler, "High-power mid-infrared frequency comb source based on a femtosecond Er:fiber oscillator," Opt. Lett. 38, 2360-2362 (2013)

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