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Optics Letters

Optics Letters

| RAPID, SHORT PUBLICATIONS ON THE LATEST IN OPTICAL DISCOVERIES

  • Editor: Anthony J. Campillo
  • Vol. 32, Iss. 19 — Oct. 1, 2007
  • pp: 2807–2809

Polymeric saturable-absorber mirror for passive Q-switching of a laser-diode-pumped Nd 3 + : Y V O 4 microchip laser

Azusa Inoue, Jumpei Hayashi, Toshiyuki Komikado, and Shinsuke Umegaki  »View Author Affiliations


Optics Letters, Vol. 32, Issue 19, pp. 2807-2809 (2007)
http://dx.doi.org/10.1364/OL.32.002807


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Abstract

A polymeric multilayered mirror doped with a saturable dye worked as a passive Q-switch of a laser-diode-pumped Nd 3 + : Y V O 4 microchip laser. The multilayered mirror consisted of alternately spin-coated layers of polyvinylcarbazole (PVK) and cellulose acetate on a glass substrate. A dye of bis-(dimethylaminodithiobenzil)-nickel was doped in one of the layers of PVK, providing the repetitively Q-switched pulses. The pulse width and repetition rate were 4 ns and 68 kHz , respectively, for a laser-cavity length of 5 mm , and the average and the peak power were 40 mW and 156 W , respectively, for the highest pump power of 435 mW . The dependence of the Q-switched characteristics on the pump power and on the concentration of the doped dye is described.

© 2007 Optical Society of America

OCIS Codes
(140.3480) Lasers and laser optics : Lasers, diode-pumped
(140.3540) Lasers and laser optics : Lasers, Q-switched
(160.5470) Materials : Polymers
(230.4040) Optical devices : Mirrors
(230.4170) Optical devices : Multilayers

ToC Category:
Lasers and Laser Optics

History
Original Manuscript: June 15, 2007
Revised Manuscript: August 23, 2007
Manuscript Accepted: August 23, 2007
Published: September 20, 2007

Citation
Azusa Inoue, Jumpei Hayashi, Toshiyuki Komikado, and Shinsuke Umegaki, "Polymeric saturable-absorber mirror for passive Q-switching of a laser-diode-pumped Nd3+:YVO4 microchip laser," Opt. Lett. 32, 2807-2809 (2007)
http://www.opticsinfobase.org/ol/abstract.cfm?URI=ol-32-19-2807

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