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Chinese Optics Letters

Chinese Optics Letters


  • Vol. 10, Iss. 1 — Jan. 10, 2012
  • pp: 011402–

Frequency stabilization of pulsed CO2 laser using setup-time method

Lili Wang, Zhaoshuo Tian, Yanchao Zhang, Jing Wang, Shiyou Fu, Jianfeng Sun, and Qi Wang  »View Author Affiliations

Chinese Optics Letters, Vol. 10, Issue 1, pp. 011402- (2012)

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A new method for laser-frequency stabilization by controlling the pulse setup time is presented. The frequency-stabilization system monitors the pulse setup time continuously, and controls it by adjusting the cavity length. Laser frequency is stabilized to the center of the gain curve when the setup time is the shortest. The system is used to stabilize a radio-frequency-excited waveguide CO2 laser tuned by grating, and the shift of laser frequency is estimated to be less than ±25 MHz for an extended period. The system has the advantages of compact structure, small volume, and low cost. It can be applied for frequency stabilization of other kinds of pulsed lasers with adjustable cavity.

© 2012 Chinese Optics Letters

OCIS Codes
(140.3470) Lasers and laser optics : Lasers, carbon dioxide
(140.3425) Lasers and laser optics : Laser stabilization
(140.3518) Lasers and laser optics : Lasers, frequency modulated

Lili Wang, Zhaoshuo Tian, Yanchao Zhang, Jing Wang, Shiyou Fu, Jianfeng Sun, and Qi Wang, "Frequency stabilization of pulsed CO2 laser using setup-time method," Chin. Opt. Lett. 10, 011402- (2012)

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