A single-frequency passively Q-switched laser was constructed, in which a co-doped crystal served as an active element, a mode selector, and a passive Q-switch simultaneously. In order to obtain the frequency instability of 10^(-6), a stable single-frequency operation was presented and its characteristics were determined. The experimental results showed that the stable single frequency could be maintained for half an hour and the linewidth was approximately 530 MHz at a pump power of 13 W.
© 2006 Chinese Optics Letters
(140.3480) Lasers and laser optics : Lasers, diode-pumped
(140.3570) Lasers and laser optics : Lasers, single-mode
(140.6810) Lasers and laser optics : Thermal effects
(350.2450) Other areas of optics : Filters, absorption
(350.2770) Other areas of optics : Gratings
Xuejun Wang and Zuyan Xu, "Frequency stabilization of a laser-diode-module-pumped single-frequency Cr,Nd:YAG laser," Chin. Opt. Lett. 4, 518-521 (2006)