Compression of the pulse width in a diode-pumped Nd:YVO4 laser with double Q-switches

Guiqiu Li; Shengzhi Zhao; Kejian Yang

doi:10.1117/1.1870572

1 March 2005 Compression of the pulse width in a diode-pumped Nd:YVO₄ laser with double Q-switches

Guiqiu Li, Shengzhi Zhao, Kejian Yang

Author Affiliations +

Optical Engineering, Vol. 44, Issue 3, 034204 (March 2005). https://doi.org/10.1117/1.1870572

Abstract

By considering the Gaussian spatial distribution of the intracavity photon density, we introduce the rate equations of a diode-pumped Nd:YVO₄ laser doubly Q-switched by an acousto-optic modulator and a Cr⁴⁺:YAG saturable absorber. These rate equations are solved numerically, and the dependences of pulse width on incident pump power at different pulse repetition rates are obtained. It is shown that the pulse width is obviously compressed in contrast to a diode-pumped actively Q-switched laser with an acousto-optic modulator and the numerical solutions are in agreement with the experimental results performed by a diode-pumped doubly Q-switched Nd:YVO₄ laser with acousto-optic Cr⁴⁺:YAG.

©(2005) Society of Photo-Optical Instrumentation Engineers (SPIE)

Citation Download Citation

Guiqiu Li, Shengzhi Zhao, and Kejian Yang "Compression of the pulse width in a diode-pumped Nd:YVO₄ laser with double Q-switches," Optical Engineering 44(3), 034204 (1 March 2005). https://doi.org/10.1117/1.1870572

Published: 1 March 2005

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