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Optics Express

Optics Express

  • Editor: Michael Duncan
  • Vol. 12, Iss. 17 — Aug. 23, 2004
  • pp: 4041–4046

Enhancement of stability and efficiency of a nonlinear mirror mode-locked Nd:YVO4 oscillator by an active Q-switch

Prasanta Kumar Datta, Sourabh Mukhopadhyay, Susanta Kumar Das, Luca Tartara, Antonio Agnesi, and Vittorio Degiorgio  »View Author Affiliations


Optics Express, Vol. 12, Issue 17, pp. 4041-4046 (2004)
http://dx.doi.org/10.1364/OPEX.12.004041


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Abstract

The stability and the peak power of a nonlinear-mirror mode-locked Nd:YVO4 laser are significantly increased by the insertion of an acousto-optic modulator inside the laser cavity. The repetition rate for reliable operation can be varied in the range 35 kHz–50 kHz. The laser generates the most intense and stable mode-locked pulses of width 9 ps lying underneath a Q-switched envelope of width 110 ns with a Q-switch modulation frequency of 38 kHz. For 10 W of pump power, a 224 times enhancement of peak power over that of cw mode-locking is obtained under reliable Q-switched and mode-locked operation.

© 2004 Optical Society of America

OCIS Codes
(140.3480) Lasers and laser optics : Lasers, diode-pumped
(140.3540) Lasers and laser optics : Lasers, Q-switched
(140.3580) Lasers and laser optics : Lasers, solid-state
(140.4050) Lasers and laser optics : Mode-locked lasers
(190.0190) Nonlinear optics : Nonlinear optics

ToC Category:
Research Papers

History
Original Manuscript: June 29, 2004
Revised Manuscript: August 12, 2004
Published: August 23, 2004

Citation
Prasanta Datta, Sourabh Mukhopadhyay, Susanta Das, Luca Tartara, Antonio Agnesi, and Vittorio Degiorgio, "Enhancement of stability and efficiency of a nonlinear mirror mode-locked Nd:YVO4 oscillator by an active Q-switch," Opt. Express 12, 4041-4046 (2004)
http://www.opticsinfobase.org/oe/abstract.cfm?URI=oe-12-17-4041


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References

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