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Optics Express

Optics Express

  • Editor: C. Martijn de Sterke
  • Vol. 18, Iss. 17 — Aug. 16, 2010
  • pp: 17584–17590

Pulse width tunable passively mode-locked Nd:YVO4 laser based on hybrid laser gain medium locations

Hua Lin, Yen-Yin Lin, Yuan-Yao Lin, Jinping He, Jinfeng Li, and Xiaoyan Liang  »View Author Affiliations


Optics Express, Vol. 18, Issue 17, pp. 17584-17590 (2010)
http://dx.doi.org/10.1364/OE.18.017584


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Abstract

A pulse width tunable passively mode-locked laser with a wavelength of 1,064 nm and two Nd:YVO4 crystals located in asymmetric positions is demonstrated. By adjusting the pump power of the crystals, the pulse width can be continuously tuned from 8.8 to 20.3 ps at a stable mode-locked repetition rate of 122 MHz. A theoretical model is proposed to describe the experiment results phenomenologically. In this system, a maximum output power of 4.44 W is achieved with a pump of 13.68 W, corresponding to an optical-to-optical efficiency of 32.5%. The beam quality factor, M2, is found to be M2x = 1.15 and M2y = 1.13 in the orthogonal directions at an output power of 3.2 W.

© 2010 OSA

OCIS Codes
(140.3480) Lasers and laser optics : Lasers, diode-pumped
(140.3580) Lasers and laser optics : Lasers, solid-state
(140.4050) Lasers and laser optics : Mode-locked lasers

ToC Category:
Lasers and Laser Optics

History
Original Manuscript: March 8, 2010
Revised Manuscript: July 9, 2010
Manuscript Accepted: July 23, 2010
Published: August 2, 2010

Citation
Hua Lin, Yen-Yin Lin, Yuan-Yao Lin, Jinping He, Jinfeng Li, and Xiaoyan Liang, "Pulse width tunable passively mode-locked Nd:YVO4 laser based on hybrid laser gain medium locations," Opt. Express 18, 17584-17590 (2010)
http://www.opticsinfobase.org/oe/abstract.cfm?URI=oe-18-17-17584


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