Highly efficient Q-switched laser operation of Yb:Y3Ga5O12 garnet crystal

doi:10.1364/OE.21.002624

Highly efficient Q-switched laser operation of Yb:Y₃Ga₅O₁₂ garnet crystal

Junhai Liu, Xueping Tian, Kui Wu, Qibiao Dai, Wenjuan Han, and Huaijin Zhang »View Author Affiliations

Optics Express, Vol. 21, Issue 3, pp. 2624-2631 (2013)
http://dx.doi.org/10.1364/OE.21.002624

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Abstract

We demonstrate, for the first time, passively Q-switched laser operation of Yb:Y₃Ga₅O₁₂ garnet crystal. An output power of 4.53 W at 1031 nm was generated at a pulse repetition rate of 55.6 kHz, with a Cr⁴⁺:YAG crystal acting as saturable absorber whose initial transmission was 97.5%, the corresponding pulse energy, duration and peak power were respectively 81.5 μJ, 28.5 ns and 2.86 kW. Laser pulses at a lower repetition rate of 18.2 kHz were also achieved at 1025 nm while the initial transmission of the Cr⁴⁺:YAG crystal was 85.0%, with an output power measured to be 2.56 W, the resulting pulse energy, duration, and peak power being 140.8 μJ, 5.9 ns, and 23.9 kW, respectively.

OCIS Codes
(140.3540) Lasers and laser optics : Lasers, Q-switched
(140.3580) Lasers and laser optics : Lasers, solid-state
(140.3615) Lasers and laser optics : Lasers, ytterbium

ToC Category:
Lasers and Laser Optics

History
Original Manuscript: November 26, 2012
Revised Manuscript: January 19, 2013
Manuscript Accepted: January 20, 2013
Published: January 28, 2013

Citation
Junhai Liu, Xueping Tian, Kui Wu, Qibiao Dai, Wenjuan Han, and Huaijin Zhang, "Highly efficient Q-switched laser operation of Yb:Y₃Ga₅O₁₂ garnet crystal," Opt. Express 21, 2624-2631 (2013)
http://www.opticsinfobase.org/oe/abstract.cfm?URI=oe-21-3-2624

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References

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