Theoretical and experimental studies on the self-Q-switched and mode-locked Nd:GdVO4/KTP green laser

被引：0
作者：
M. Li
S. Zhao
K. Yang
G. Li
D. Li
J. Wang
J. An
W. Qiao
机构：
[1] Shandong University,School of Information Science and Engineering
来源：
Applied Physics B | 2007年 / 88卷
关键词：
Pump Power; Pump Beam; Saturable Absorber; Incident Pump Power; Laser Medium;
D O I：
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中图分类号：
学科分类号：
摘要：
A diode-pumped self-Q-switched and mode-locked intracavity frequency doubled Nd:GdVO4/KTP green laser is presented. The self mode-locking is self-starting and stable. About 100% modulation depth for the self-mode-locked green pulses has been achieved. We propose a developed rate equation model for self-Q-switched and mode-locked lasers, using the hyperbolic secant function methods and the theory of Kerr-lens mode-locking. This will consider the cascading of second-order nonlinearities of KTP crystal, the third-order nonlinearity of the laser medium, influences of the continuous pump rate, and the stimulated radiation lifetime of the active medium. With the model developed, theoretical calculations are shown to be in good agreement with experimental results. The width of the mode-locked green pulse is estimated to be about 120 ps.
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页码：531 / 537
页数：6
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