Analytical model for design criteria of passively Q-switched laser

被引：107

作者：

Chen, YF ^{[1
]}

Lan, YP

Chang, HL

机构：

[1] Natl Chiao Tung Univ, Dept Electrophys, Hsinchu 30050, Taiwan

[2] Natl Chiao Tung Univ, Inst Electroopt Engn, Hsinchu 30050, Taiwan

来源：

IEEE JOURNAL OF QUANTUM ELECTRONICS | 2001年 / 37卷 / 03期

关键词：

passively Q-switched laser; saturable absorber; solid-state laser; Cr4+: YAG;

D O I：

10.1109/3.910458

中图分类号：

TM [电工技术]; TN [电子技术、通信技术];

学科分类号：

0808 ; 0809 ;

摘要：

A general and straightforward model was developed for the design of passively Q-switched lasers. With the second-threshold criterion and using a numerically fitting procedure, the output pulse energy was expressed as an analytical function of the initial transmission of the saturable absorber and the reflectivity of the output coupler. An analytical expression for the optimal output reflectivity was also obtained for maximizing the output pulse energy of a passively Q-switched laser with a given initial transmission of the saturable absorber. Excellent agreement was studied between the present results and detailed theoretical computations. A Nd:YAG laser with Cr4+:YAG as a saturable absorber was performed to illustrate the use of the present model.

引用

页码：462 / 468

页数：7

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