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Optics Letters

Optics Letters


  • Editor: Alan E. Willner
  • Vol. 33, Iss. 4 — Feb. 15, 2008
  • pp: 345–347

Tunable, high-repetition-rate, femtosecond pulse generation in the ultraviolet

M. Ghotbi, A. Esteban-Martin, and M. Ebrahim-Zadeh  »View Author Affiliations

Optics Letters, Vol. 33, Issue 4, pp. 345-347 (2008)

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We report efficient generation of tunable femtosecond pulses in the ultraviolet (UV) by intracavity doubling of a visible femtosecond optical parametric oscillator (OPO). The OPO, based on a 400 μ m BiB 3 O 6 crystal and pumped at 415 nm in the blue, can provide visible femtosecond signal pulses across 500 710 nm . Using a 500 μ m crystal of β - BaB 2 O 4 internal to the OPO cavity, efficient frequency doubling of the signal pulses into the UV is achieved, providing tunable femtosecond pulses across 250 355 nm with up to 225 mW of average power at 76 MHz . Cross-correlation measurements result in UV pulses with durations down to 132 fs for 180 fs blue pump pulses.

© 2008 Optical Society of America

OCIS Codes
(140.3610) Lasers and laser optics : Lasers, ultraviolet
(190.4400) Nonlinear optics : Nonlinear optics, materials
(190.4970) Nonlinear optics : Parametric oscillators and amplifiers
(190.7220) Nonlinear optics : Upconversion

ToC Category:
Nonlinear Optics

Original Manuscript: November 30, 2007
Revised Manuscript: December 19, 2007
Manuscript Accepted: December 23, 2007
Published: February 11, 2008

M. Ghotbi, A. Esteban-Martin, and M. Ebrahim-Zadeh, "Tunable, high-repetition-rate, femtosecond pulse generation in the ultraviolet," Opt. Lett. 33, 345-347 (2008)

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