LASERS WITH SUPER-GAUSSIAN MIRRORS

被引:87
作者
DESILVESTRI, S
MAGNI, V
SVELTO, O
VALENTINI, G
机构
[1] Centra di Elettronica Quantistica e Strumen-tazione Elettronica del CNR, Istituto di Fisica del Politecnico
关键词
D O I
10.1109/3.102627
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 systematic theoretical and experimental investigaion on unstable resonators with variable reflectivity mirrors of a super-Gaussian profile is presented. The validity of a geometrical optics formalism for an algebraic mode calculation is discussed in comparison to the diffraction theory. A new method for the calculation of the output energy by means of a closed-form relationship that accounts for the effects of the transverse mode profile on gain saturation is presented. Various dielectric super-Gaussian mirrors have been fabricated, characterized, and tested in a pulsed Nd:YAG laser. Super-Gaussian resonators can provide output energies even higher than those of traditional unstable resonators and with better beam focusing properties. © 1990 IEEE
引用
收藏
页码:1500 / 1509
页数:10
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