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Proceedings Paper

Stabilization technique for injection seeding Nd:YAG lasers using microwave range mode beating
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Paper Abstract

The conventional technique for matching and stabilizing the cavity length of seeded Q-switched Nd:YAG lasers is to minimize the pulse build-up time in a lock-in scheme. A disadvantage of this technique is that in order to obtain a robust feedback signal the opening speed of the Q-switch needs to be reduced, which causes timing issues, loss of power, and lengthening the generated pulse. Here an alternative method is presented which mediates these problems. A feedback signal is obtained using microwave frequency range detection of the beating between the longitudinal cavity modes. This novel technique can be implemented with only a minimal modification of the cavity optics and electronics of conventional free-running Nd:YAG lasers.

Paper Details

Date Published: 5 March 2008
PDF: 8 pages
Proc. SPIE 6871, Solid State Lasers XVII: Technology and Devices, 687108 (5 March 2008); doi: 10.1117/12.783759
Show Author Affiliations
Wytze E. van der Veer, Univ. of California, Irvine (United States)

Published in SPIE Proceedings Vol. 6871:
Solid State Lasers XVII: Technology and Devices
W. Andrew Clarkson; Norman Hodgson; Ramesh K. Shori, Editor(s)

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