Eur. Phys. J. Appl. Phys.
Volume 31, Number 1, July 2005
|Page(s)||31 - 36|
|Section||Laser, Optics, Optoelectronics and Nanophotonics|
|Published online||21 June 2005|
Diode-pumped passively Q-switched intracavity-frequency-doubling Nd:GdVO4/KTP green laser with Cr4+:YAG saturable absorber
School of Information Science and Engineering, Shandong University, Jinan 250100,
Corresponding author: firstname.lastname@example.org
Revised: 29 January 2005
Accepted: 4 February 2005
Published online: 21 June 2005
The intracavity photon density is assumed to be Gaussian spatial distributions and the nonlinear loss that is due to second-harmonic generation (SHG) to the photon-density equation is given under Gaussian spatial distributions in the rate equations for a diode-pumped passively Q-switched intracavity-frequency-doubling Nd:GdVO4/KTP laser with Cr4+:YAG saturable absorber. These space-dependent rate equations are solved numerically. The dependences of pulse width, pulse repetition rate, single-pulse energy and peak power on incident pump power are obtained for the generated-green-laser pulses. In the experiment, a diode-pumped passively Q-switched intracavity-frequency-doubling Nd:GdVO4/KTP laser with Cr4+:YAG saturable absorber is realized and the experimental results are consistent with the numerical solutions.
PACS: 42.55.Ah – General laser theory / 42.55.Xi – Diode-pumped lasers / 42.60.Gd – Q-switching
© EDP Sciences, 2005
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