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Optics Letters

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  • Vol. 27, Iss. 22 — Nov. 15, 2002
  • pp: 2037–2039

Ultralow-threshold Kerr-lens mode-locked Ti:Al2O3 laser

A. M. Kowalevicz, Jr., T. R. Schibli, F. X. Kärtner, and J. G. Fujimoto  »View Author Affiliations


Optics Letters, Vol. 27, Issue 22, pp. 2037-2039 (2002)
http://dx.doi.org/10.1364/OL.27.002037


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Abstract

An ultralow-threshold Kerr-lens mode-locked Ti:Al2O3 laser achieved by use of an extended cavity design is demonstrated. Mode-locking thresholds as low as 156 mW are achieved. Pulses with durations as short as 14 fs and bandwidths of >100 nm with output powers of ~15 mW at 50-MHz repetition rates are generated by only 200 mW of pump power. Reducing the pump power requirements to a factor of 10× less than required by most conventional Kerr-lens mode-locked lasers permits inexpensive, low-power pump lasers to be used. This will facilitate the development of low-cost, high-performance femtosecond Ti:Al2O3 laser technology.

© 2002 Optical Society of America

OCIS Codes
(140.3580) Lasers and laser optics : Lasers, solid-state
(140.4050) Lasers and laser optics : Mode-locked lasers
(320.0320) Ultrafast optics : Ultrafast optics

Citation
A. M. Kowalevicz, Jr., T. R. Schibli, F. X. Kärtner, and J. G. Fujimoto, "Ultralow-threshold Kerr-lens mode-locked Ti:Al2O3 laser," Opt. Lett. 27, 2037-2039 (2002)
http://www.opticsinfobase.org/ol/abstract.cfm?URI=ol-27-22-2037


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