带轴向温控仪的金属蒸气激光管径向温度场分析

毛邦宁; 王丽敏; 陈立; 姚志欣; 潘佰良

光学学报, 2008, 28 (3): 512, 网络出版: 2008-03-24

带轴向温控仪的金属蒸气激光管径向温度场分析

Analysis of Radial Temperature Field for a Metal-Vapor Laser Tube with an Axial Temperature Controller

论文大纲

毛邦宁 ^*王丽敏陈立姚志欣潘佰良

作者单位

浙江大学物理系, 浙江杭州 310027

激光技术轴向温控仪金属蒸气激光径向温度分布 laser technique axial temperature controller metal-vapor laser radial temperature distribution

摘要

对带轴向温控仪的金属蒸气激光放电管,建立了描述放电管径向温度场的简单数学模型。给出了由热辐射和热传导引起的径向温度变化的解析表达式,计算分析了轴向温控仪对激光管管壁温度和径向温度分布的作用机制。结果表明轴向温控仪可在一定范围内独立调节放电管管壁温度和减小激光管的径向温度梯度,可有效提高激光器运转效率和稳定性。

Abstract

A concise mathematical model was established to describe the radial temperature distribution of a metal-vapor laser tube with an axial temperature controller. The analytical solution of the radial temperature caused by thermal radiation and thermal conduction was obtained. The influences of the axial temperature controller on the discharge tube wall temperature and its radial temperature distribution were further calculated and analyzed. It is shown that the axial temperature controller can independently adjust the laser tube wall temperature, reduce the radial temperature gradient in some degree, and therefore improve the laser efficiency and stability.

参考文献

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毛邦宁, 王丽敏, 陈立, 姚志欣, 潘佰良. 带轴向温控仪的金属蒸气激光管径向温度场分析[J]. 光学学报, 2008, 28(3): 512. Mao Bangning, Wang Limin, Chen Li, Yao Zhixin, Pan Bailiang. Analysis of Radial Temperature Field for a Metal-Vapor Laser Tube with an Axial Temperature Controller[J]. Acta Optica Sinica, 2008, 28(3): 512.

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