ON THE SUPER-GAUSSIAN UNSTABLE RESONATORS FOR HIGH-GAIN SHORT-PULSE LASER MEDIA

被引：64

作者：

PERRONE, MR ^{[1
]}

PIEGARI, A ^{[1
]}

SCAGLIONE, S ^{[1
]}

机构：

[1] ENEA CASACCIA,FILM SOTTILI LAB,I-00060 ROME,ITALY

来源：

IEEE JOURNAL OF QUANTUM ELECTRONICS | 1993年 / 29卷 / 05期

关键词：

D O I：

10.1109/3.236157

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：

High-mode-volume high-energy (70) mJ) high-brightness (1.6 x 10(14) W cm2 Sr-1) laser beams have been extracted from a high gain short-pulse XeCl laser with a super-Gaussian unstable resonator. These results are obtained by increasing the cavity magnification factor to 6.6 and the output mirror peak reflectivity to 78%. The output beam divergence is seen to decrease from an initial value of approximately 0.2 mrad down to nearly diffraction limited after 6 ns for the short gain build-up time of the active medium.

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收藏

页码：1423 / 1427

页数：5

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