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发明公开
CN105322429A 半导体激光端面泵浦Er：YSGG电光调Q激光器 无效 - 撤回

半导体激光端面泵浦Er：YSGG电光调Q激光器
摘要：
本发明公开了一种半导体激光端面泵浦Er：YSGG电光调Q激光器，包括激光棒，激光棒前端前方设置有起偏器、LGS电光调Q晶体、输出腔片，激光棒后端后方设置有45度反射镜、准直聚焦透镜，激光棒后端后方位于45度反射镜反射面一侧依次设置有1/4波片、后腔片；还包括有控制器、半导体激光器、半导体激光电源、退压调Q高压模块，半导体激光器通过石英光纤与准直聚焦透镜后端耦合连接，半导体激光电源、退压调Q高压模块分别接入控制器，且半导体激光电源供电至半导体激光器，退压调Q高压模块与LGS电光调Q晶体连接。本发明同时具有重复频率高、激光脉宽窄、激光模式好等特点。
摘要（英）：

The invention discloses a semiconductor laser end plane pumping Er: YSGG electro-optical Q-switched laser. The semiconductor laser end plane pumping Er: YSGG electro-optical Q-switched laser comprises a laser rod; a polarizer, an LGS electro-optical Q-switched crystal, and an output cavity sheet are arranged in front of the front end of the laser rod; a 45-degree reflector and a collimation focusing lens are arranged behind the back end of the laser rod; a 1/4 wave plate and a back cavity sheet are arranged on one side of the reflecting surface of the 45-degree reflector behind the back end of the laser rod in sequence; the electro-optical Q-switched laser also comprises a controller, a semiconductor laser, a semiconductor laser power supply and a voltage-decreasing Q-switched high voltage module; the semiconductor laser is coupled with the back end of the collimation focusing lens through a silica fiber; the semiconductor laser power supply and the voltage-decreasing Q-switched high voltage module are connected with the controller separately; the semiconductor laser power supply supplies power to the semiconductor laser; and the voltage-decreasing Q-switched high voltage module is connected with the LGS electro-optical Q-switched crystal. The electro-optical Q-switched laser has the characteristics of high repetition frequency, narrow laser pulse width, good laser mode and the like.

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