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Applied Optics

Applied Optics

APPLICATIONS-CENTERED RESEARCH IN OPTICS

  • Editor: Joseph N. Mait
  • Vol. 52, Iss. 16 — Jun. 1, 2013
  • pp: 3732–3736

Study of frequency stabilization for electro-optical Q-switched radio-frequency-excited waveguide CO2 laser using build-up time method

Yanchao Zhang, Zhaoshuo Tian, Zhenghe Sun, Lili Wang, and Qi Wang  »View Author Affiliations


Applied Optics, Vol. 52, Issue 16, pp. 3732-3736 (2013)
http://dx.doi.org/10.1364/AO.52.003732


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Abstract

An electro-optical Q-switched RF-excited Z-fold CO2 waveguide laser was designed, which can output a Q-switched laser and a cavity-dumped laser synchronously. The build-up time method is presented to stabilize the laser frequency. A closed-loop control system was designed to keep the laser oscillating at the peak of the gain curve by measuring the pulse build-up time continuously and controlling the cavity length. In the experiment, the variations for the pulse build-up time and cavity-dumped laser output power with time were recorded in a period of time. The frequency fluctuation is less than ±16MHz

© 2013 Optical Society of America

OCIS Codes
(140.3540) Lasers and laser optics : Lasers, Q-switched
(140.3425) Lasers and laser optics : Laser stabilization

ToC Category:
Lasers and Laser Optics

History
Original Manuscript: January 14, 2013
Revised Manuscript: March 31, 2013
Manuscript Accepted: April 30, 2013
Published: May 28, 2013

Citation
Yanchao Zhang, Zhaoshuo Tian, Zhenghe Sun, Lili Wang, and Qi Wang, "Study of frequency stabilization for electro-optical Q-switched radio-frequency-excited waveguide CO2 laser using build-up time method," Appl. Opt. 52, 3732-3736 (2013)
http://www.opticsinfobase.org/ao/abstract.cfm?URI=ao-52-16-3732

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