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Optics Letters

| RAPID, SHORT PUBLICATIONS ON THE LATEST IN OPTICAL DISCOVERIES

  • Editor: Alan E. Willner
  • Vol. 33, Iss. 19 — Oct. 1, 2008
  • pp: 2248–2250

Diode end-pumped high-power Q-switched double Nd:YAG slab laser and its efficient near-field second-harmonic generation

Peng Zhu, Daijun Li, Bingsong Qi, Alexander Schell, Peng Shi, Claus Haas, Shaojun Fu, Nianle Wu, and Keming Du  »View Author Affiliations


Optics Letters, Vol. 33, Issue 19, pp. 2248-2250 (2008)
http://dx.doi.org/10.1364/OL.33.002248


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Abstract

We reported on an all-solid-state double Nd:YAG slab laser. The laser was based on two diode end-pumped Nd:YAG slabs and a stable–unstable hybrid resonator. A cw output of 189 W and an average Q-switched output of 169 W at 10 kHz with an M 2 factor of 1.5 in the slow direction and 1.7 in the fast direction were obtained. We demonstrated efficient near-field frequency doubling by imaging the one-dimensional top-hat near-field to a lithium triborate frequency doubler. We obtained 93 W green light at 10 kHz with a pulse width of 10.7 ns . The efficiency of second-harmonic generation was up to 57%.

© 2008 Optical Society of America

OCIS Codes
(140.3480) Lasers and laser optics : Lasers, diode-pumped
(140.3530) Lasers and laser optics : Lasers, neodymium
(140.3540) Lasers and laser optics : Lasers, Q-switched
(140.3515) Lasers and laser optics : Lasers, frequency doubled

ToC Category:
Lasers and Laser Optics

History
Original Manuscript: July 11, 2008
Revised Manuscript: August 23, 2008
Manuscript Accepted: August 24, 2008
Published: September 30, 2008

Citation
Peng Zhu, Daijun Li, Bingsong Qi, Alexander Schell, Peng Shi, Claus Haas, Shaojun Fu, Nianle Wu, and Keming Du, "Diode end-pumped high-power Q-switched double Nd:YAG slab laser and its efficient near-field second-harmonic generation," Opt. Lett. 33, 2248-2250 (2008)
http://www.opticsinfobase.org/ol/abstract.cfm?URI=ol-33-19-2248


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