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Applied Optics

Applied Optics

APPLICATIONS-CENTERED RESEARCH IN OPTICS

  • Vol. 39, Iss. 6 — Feb. 20, 2000
  • pp: 978–981

Fluorescence feedback control of an active Q-switched diode-pumped Nd:YVO4 laser

Wenjie Xie, Yee-Loy Lam, Yuen-Chuen Chan, Siu-Chung Tam, Jianhui Gu, Feng Zhou, Hongru Yang, and Gang Zhao  »View Author Affiliations


Applied Optics, Vol. 39, Issue 6, pp. 978-981 (2000)
http://dx.doi.org/10.1364/AO.39.000978


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Abstract

We have implemented active feedback control in a Q-switched diode-pumped Nd:YVO4 laser by monitoring the fluorescence intensity from the laser crystal. When the initial inversion level indicated by the detected fluorescence has reached a predetermined value, Q switching is initiated. This scheme allowed us to vary the reproducibility of the output pulse peak power and pulse width. The novel active Q-switching approach can reduce the shot-to-shot variations of the output pulse peak power and the pulse width.

© 2000 Optical Society of America

OCIS Codes
(140.3480) Lasers and laser optics : Lasers, diode-pumped
(140.3540) Lasers and laser optics : Lasers, Q-switched

History
Original Manuscript: July 6, 1999
Revised Manuscript: October 26, 1999
Published: February 20, 2000

Citation
Wenjie Xie, Yee-Loy Lam, Yuen-Chuen Chan, Siu-Chung Tam, Jianhui Gu, Feng Zhou, Hongru Yang, and Gang Zhao, "Fluorescence feedback control of an active Q-switched diode-pumped Nd:YVO4 laser," Appl. Opt. 39, 978-981 (2000)
http://www.opticsinfobase.org/ao/abstract.cfm?URI=ao-39-6-978

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