Research on near-field distributions of axisymmetric folded-combined CO_(2) laser

Jing-lun Liu; Yu-de Li; Jun-ping GuoMei ChenYuan-jie YangDe-fu XuZhi-feng LiuLi-Jun Zhang

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Research on near-field distributions of axisymmetric folded-combined CO_(2) laser

机译：Research on near-field distributions of axisymmetric folded-combined CO_(2) laser

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摘要

The near-field-intensity distributions of diffusion-cooled axisymmetric folded-combined CO_(2) lasers are investigated. Formulas representing the near-field distributions for some typical kinds of folded-combined CO_(2) lasers are suggested, and the near-field-intensity profiles are calculated numerically and simulated. For several centimeters from the output mirror along the direction of the symmetric axis, the intensity in the output beam is very high and its radius (or width) is very small (approximately double waist radius). The frequency differences between different cavities would induce fluctuations of the intensity distribution, but the fluctuations are not distinctive. The near-field beam can be used directly in some industrial material processing.

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来源
《Optical Engineering》 |2006年第7期|074201-1-074201-10-0|共10页
作者
Jing-lun Liu; Yu-de Li; Jun-ping GuoMei ChenYuan-jie YangDe-fu XuZhi-feng LiuLi-Jun Zhang;
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作者单位

Sichuan University Department of Optoelectronic Science and Technology Chengdu 610064, China;

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收录信息美国《科学引文索引》(SCI);美国《工程索引》(EI);
原文格式 PDF
正文语种英语
中图分类光学仪器;
关键词
axisymmetric folded-combined cavity; beam combination; oblique incidence; CO_(2) laser; Gaussian beam;

Research on near-field distributions of axisymmetric folded-combined CO_(2) laser

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