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Solid-State System for Copper Vapor Laser Excitation

机译:固态系统用于铜蒸气激光激发

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The present paper describes an all-solid-state high voltage nanosecond pulse generator for pumping a copper vapor laser. The main feature of this device is using a high voltage switch composed of a stack of insulated gate bipolar transistors (IGBT), what makes it compacter and more cost effective than traditional systems based on thyratrons and vacuum tubes. A fast transformer circuit provides highly synchronous on/off control of the IGBT stack. Two-stage magnetic pulse compressor is used to enhance the system efficiency. The developed laser pumping system generates current pulses with amplitude of 230 A and rise time of 30 ns at pulse repetition rate of 15 kHz. Average laser output power of 13 W was obtained under these pumping conditions.
机译:本文介绍了一种用于泵浦铜蒸气激光器的全固态高压纳秒脉冲发生器。该器件的主要特点是使用由绝缘栅双极型晶体管(IGBT)堆叠组成的高压开关,这使其比传统的基于晶闸管和真空管的系统更紧凑且更具成本效益。快速变压器电路可对IGBT堆栈进行高度同步的开/关控制。两级电磁脉冲压缩机用于提高系统效率。先进的激光泵浦系统以15 kHz的脉冲重复频率生成幅度为230 A的电流脉冲和30 ns的上升时间。在这些泵浦条件下获得的平均激光输出功率为13W。

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