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Assembly process and optical performances for a golden laser spark-plug device

机译:用于金色激光火花塞装置的组装过程和光学性能

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摘要

The low-stress Solderjet Bumping technique was employed to assemble the optical components of an increased-robustness laser spark-plug ignition device using the low melting alloys 96.5Sn3Ag0.5Cu and 80Au20Sn. A finite-element-method analysis, optical simulations, and a soldering parametrization test were performed to prove that different optical materials (sapphire, ECO-550, D-ZLaF52LA, TAC4, and N-SF11 glasses) could be fastened to the stainless steel body. The assembled spark-plug device featured a passively Q-switched Nd: YAG/Cr~(4+): YAG composite ceramic medium and delivered laser pulses with energy variable between 2.40 and 4.70 mJ, with 0.8 ns duration, suitable for inducing air breakdown phenomenon and engine combustion.
机译:使用低熔融合金96.5sn3ag0.5cu和80au20sn组装低应力焊接凸块凸块试火装置的低应力焊接凸轮凸块技术。进行有限元方法分析,光学模拟和焊接参数化测试以证明不同的光学材料(蓝宝石,ECO-550,D-ZLAF52LA,TAC4和N-SF11眼镜)可以固定在不锈钢上身体。组装的火花塞装置采用了一种被动Q开关的Nd:YAG / Cr〜(4+):YAG复合陶瓷介质,并在2.40和4.70 MJ之间提供了能量变量的激光脉冲,持续0.8 ns持续时间,适用于诱导空气分解现象和发动机燃烧。

著录项

  • 来源
    《Optical engineering》 |2019年第6期|065101.1-065101.7|共7页
  • 作者单位

    Fraunhofer Institute for Applied Optics and Precision Engineering IOF Jena Germany;

    National Institute for Laser Plasma and Radiation Physics Laboratory of Solid-State Quantum Electronics Magurele Romania;

    Fraunhofer Institute for Applied Optics and Precision Engineering IOF Jena Germany;

    Fraunhofer Institute for Applied Optics and Precision Engineering IOF Jena Germany;

    National Institute for Laser Plasma and Radiation Physics Laboratory of Solid-State Quantum Electronics Magurele Romania;

    National Institute for Laser Plasma and Radiation Physics Laboratory of Solid-State Quantum Electronics Magurele Romania;

    National Institute for Laser Plasma and Radiation Physics Laboratory of Solid-State Quantum Electronics Magurele Romania;

    National Institute for Laser Plasma and Radiation Physics Laboratory of Solid-State Quantum Electronics Magurele Romania;

    Fraunhofer Institute for Applied Optics and Precision Engineering IOF Jena Germany;

    Fraunhofer Institute for Applied Optics and Precision Engineering IOF Jena Germany;

  • 收录信息 美国《科学引文索引》(SCI);美国《工程索引》(EI);
  • 原文格式 PDF
  • 正文语种 eng
  • 中图分类
  • 关键词

    laser ignition; spark plug; Solderjet Bumping; air breakdown; Nd:YAG/Cr~(4+):YAG; combustion;

    机译:激光点火;火花塞;焊接撞击;空气崩溃;ND:YAG / Cr〜(4 +):YAG;燃烧;

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