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Optics Express

Optics Express

  • Editor: Andrew M. Weiner
  • Vol. 22, Iss. 7 — Apr. 7, 2014
  • pp: 7625–7631

High-repetition-rate quasi-CW side-pumped mJ eye-safe laser with a monolithic KTP crystal for intracavity optical parametric oscillator

C. Y. Cho, Y. C. Chen, Y. P. Huang, Y. J. Huang, K. W. Su, and Y. F. Chen  »View Author Affiliations


Optics Express, Vol. 22, Issue 7, pp. 7625-7631 (2014)
http://dx.doi.org/10.1364/OE.22.007625


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Abstract

We demonstrate a high-repetition-rate millijoule passively Q-switched eye-safe Nd:YVO4 laser pumped by a quasi-CW diode stack. A theoretical analysis has been explored for the design criteria of generating TEMn,0 mode in the diode-stack directly side-pumping configuration. We successfully generate TEMn,0 modes at 1064 nm by adjusting the gain medium with respected to the laser axis. We further observe the spatial cleaning ability for generating an nearly TEM0,0 mode output at 1573 nm with a monolithic OPO cavity. At the repetition rate up to 200 Hz, the output pulse energy reaches 1.21 mJ with the threshold pump energy of 17.9 mJ.

© 2014 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

ToC Category:
Lasers and Laser Optics

History
Original Manuscript: January 28, 2014
Revised Manuscript: February 25, 2014
Manuscript Accepted: February 26, 2014
Published: March 25, 2014

Citation
C. Y. Cho, Y. C. Chen, Y. P. Huang, Y. J. Huang, K. W. Su, and Y. F. Chen, "High-repetition-rate quasi-CW side-pumped mJ eye-safe laser with a monolithic KTP crystal for intracavity optical parametric oscillator," Opt. Express 22, 7625-7631 (2014)
http://www.opticsinfobase.org/oe/abstract.cfm?URI=oe-22-7-7625


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