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Optics Letters

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  • Vol. 25, Iss. 8 — Apr. 15, 2000
  • pp: 584–586

Femtosecond Cr4+:YAG laser with an L-fold cavity operating at a 1.2-GHz repetition rate

Tatsuya Tomaru and Hrvoje Petek  »View Author Affiliations


Optics Letters, Vol. 25, Issue 8, pp. 584-586 (2000)
http://dx.doi.org/10.1364/OL.25.000584


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Abstract

Pulses of 55-fs width and 1.2-GHz repetition rate at 1.52 μm are generated from an L-fold cavity Cr4+:YAG laser by optimization of the lasing-beam mode inside the gain medium. The pulse width is comparable with that obtained from a standard Z-fold cavity. The pulses are characterized by a second-harmonic-generation frequency-resolved optical gating method. The pulse shape deviates from a sech2 function because of its broad shoulders. With further miniaturization it should be possible to extend the Cr4+:YAG mode-locked operation to multigigahertz rates.

© 2000 Optical Society of America

OCIS Codes
(060.4230) Fiber optics and optical communications : Multiplexing
(140.3580) Lasers and laser optics : Lasers, solid-state
(140.4050) Lasers and laser optics : Mode-locked lasers
(320.7090) Ultrafast optics : Ultrafast lasers

Citation
Tatsuya Tomaru and Hrvoje Petek, "Femtosecond Cr4+:YAG laser with an L-fold cavity operating at a 1.2-GHz repetition rate," Opt. Lett. 25, 584-586 (2000)
http://www.opticsinfobase.org/ol/abstract.cfm?URI=ol-25-8-584


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