放电管温度效应与He-Ca＋复合激光功率输出分析

J4 ›› 2009, Vol. 26 ›› Issue (3): 288-292.

放电管温度效应与He-Ca＋复合激光功率输出分析

马涛

浙江工商大学信电学院，杭州 310018

收稿日期:2008-07-02 修回日期:2008-09-11 出版日期:2009-05-28 发布日期:2009-05-07
通讯作者: 马涛，（1960～），汉，男，籍贯：河南。工作单位浙江工商大学信息与电子工程学院，教授。主要从事金属蒸气激光器研究。 E-mail:mat521@sina.com
基金资助:
卤化锶激光器的计算机模拟研究（M603134）

Analyses of radial temperature distribution in the Ca+ recombination laser and the output power restriction

MA Tao

College of Information and Electronic Engineering, Zhejiang Gongshang University, Hangzhou 310035, China

Received:2008-07-02 Revised:2008-09-11 Published:2009-05-28 Online:2009-05-07

摘要/Abstract

摘要：

为使输出波长为373.7/370.6nm的Ca+复合激光能达到实际应用的水平，本文对Ca+复合激光放电管温度场进行了分析，通过求解热流耗散泊松方程，获得了Ca+复合激光放电管气体温度场径向分布的解析表达式，明确了温度分布与输入电功率及缓冲气体热传导系数之间的关系，分析了放电管温度场分布与输出功率的关系，指出径向温度分布不均匀是导致输出功率受限的主要原因之一，其结果与实验一致，对该类激光器的实用化研究提供了理论分析结论。

关键词: 激光物理, 径向温度分布, 数值分析, 复合激光

Abstract:

The longitudinal discharge-excited Ca+ recombination laser operating at ?=373.7/370.6nm was studied for the practical purpers. A simple model of temperature field was presented for the Ca+ recombination laser discharge tube. An analytical expression of the radial temperature distribution in the tube was given. The relation between radial temperature distribution and output power restriction and thermal conductivity of the buffer gas has been described. Very good agreement exists between the calculated and measured results. This physical analysis can be applied to design Ca+ recombination laser.

Key words: laser physics, radial temperature distribution, numerical analyses, recombination laser

中图分类号:

TN248

马涛. 放电管温度效应与He-Ca＋复合激光功率输出分析[J]. J4, 2009, 26(3): 288-292.

MA Tao. Analyses of radial temperature distribution in the Ca+ recombination laser and the output power restriction[J]. J4, 2009, 26(3): 288-292.

参考文献

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