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Optics Letters

Optics Letters


  • Editor: Alan E. Willner
  • Vol. 38, Iss. 21 — Nov. 1, 2013
  • pp: 4502–4505

6-GHz, Kerr-lens mode-locked Yb:Lu2O3 ceramic laser for comb-resolved broadband spectroscopy

Mamoru Endo, Akira Ozawa, and Yohei Kobayashi  »View Author Affiliations

Optics Letters, Vol. 38, Issue 21, pp. 4502-4505 (2013)

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A laser diode (LD)-pumped, 6-GHz repetition rate, ytterbium (Yb)-doped Lu2O3 ceramic Kerr-lens mode-locked laser is described. A bow-tie ring cavity enabled the generation of femtosecond pulses centered at a wavelength of 1076 nm with an average power of 10 mW. The pulse duration after an amplifier was 161 fs whereas the transform-limited pulse duration directly from the oscillator was 148 fs. The repetition frequency was sufficiently high for each longitudinal mode to be spectrally resolved by a commercially available optical spectrum analyzer. The developed laser was successfully applied to the absorption spectroscopy of metastable helium4 and demonstrated the suitability of the system as a source for comb-resolved broadband spectroscopy.

© 2013 Optical Society of America

OCIS Codes
(120.3930) Instrumentation, measurement, and metrology : Metrological instrumentation
(140.4050) Lasers and laser optics : Mode-locked lasers
(300.6320) Spectroscopy : Spectroscopy, high-resolution

ToC Category:

Original Manuscript: August 21, 2013
Manuscript Accepted: September 15, 2013
Published: October 31, 2013

Mamoru Endo, Akira Ozawa, and Yohei Kobayashi, "6-GHz, Kerr-lens mode-locked Yb:Lu2O3 ceramic laser for comb-resolved broadband spectroscopy," Opt. Lett. 38, 4502-4505 (2013)

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