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发明公开
CN105161965A 一种实现频率转换和光束聚焦的大口径晶体倍频转换装置 有权 转让

一种实现频率转换和光束聚焦的大口径晶体倍频转换装置
摘要：
一种实现频率转换和光束聚焦的大口径晶体倍频转换装置，它涉及一种大口径晶体倍频转换装置，以解决现有的大口径激光倍频转换及聚焦装置不具有温度调控能力,以及现有基于晶体倍频效应与激光聚焦获得高能的汤姆逊探针光的装置存在不能在线监测倍频激光的质量与转换效率和在线替换装置简化损伤晶体、透镜与窗口玻璃的问题，它包括二倍频转换模块、四倍频转换模块、四倍频透镜过渡件和聚焦透镜；二倍频转换模块、四倍频转换模块、四倍频透镜过渡件和聚焦透镜四者顺着光射方向顺次设置；四倍频转换模块还包括四倍频温控窗口组件、第二温控箱体、第一温控箱体、四倍频靶窗窗口导向组件和四倍频卡计。本发明用于大口径高能量激光束的频率转换和聚焦。
摘要（英）：

The invention provides a large-aperture crystal frequency-doubling conversion device realizing frequency conversion and light beam focusing, relates to the large-aperture crystal frequency-doubling conversion device, and aims to solve the problem that an existing large-aperture laser frequency-doubling and focusing device does not have a temperature regulation and control function, an existing device obtaining Thomson probe light based on the frequency-doubling effect and laser focusing fails to monitor the quality of frequency-doubling lasers on line and an online replacing device is simplified and damages a crystal, a lens and window glass. The large-aperture crystal frequency-doubling conversion device comprises a doubled-frequency conversion module, a fourfold-frequency conversion module, a fourfold-frequency lens transition member and a focusing lens. The doubled-frequency conversion module, the fourfold-frequency conversion module, the fourfold-frequency lens transition member and the focusing lens are successively arranged along the light emission direction. The fourfold-frequency conversion module further comprises a fourfold-frequency temperature control window assembly, a second temperature control box body, a first temperature control box body, a fourfold-frequency target window guiding assembly and a fourfold-frequency calorimeter. The large-aperture crystal frequency-doubling conversion device is used for frequency conversion and focusing of large-aperture high-energy laser beams.

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