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脉冲按需操作用于精确的高速紫外线激光微结构.

Jernej Jan Kočica1, Jaka Mur1, Julien Didierjean2

  • 1Faculty of Mechanical Engineering, University of Ljubljana, Aškerčeva 6, SI-1000 Ljubljana, Slovenia.

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概括
此摘要是机器生成的。

这项研究探讨了使用脉冲按需技术的高速激光微结构. 结果表明,虽然扫描器速度是主要的限制,但脉冲按需操作可以提高各种材料的处理效率.

关键词:
紫外线激光 UV 激光 激光微观结构化的微观结构.纳米秒脉冲中的脉冲需要的脉冲按需服务.

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科学领域:

  • 材料科学 材料科学 材料科学
  • 激光物理 激光物理
  • 制造业 工程 制造工程

背景情况:

  • 激光微结构提供了高精度的无接触加工.
  • 高平均激光功率受到扫描器惯性限制.
  • 优化加工速度对于工业应用至关重要.

研究的目的:

  • 为了研究使用纳秒紫外线激光器的脉冲按需 (POD) 操作的影响.
  • 分析扫描速度 (0-20 m/s) 和脉冲持续时间 (1-4 ns) 对微观结构的影响.
  • 通过使用POD技术来确定高通量微结构的可行性.

主要方法:

  • 使用纳秒紫外线激光在内在的脉冲按需模式.
  • 采用高速度度扫描仪,速度高达20米/秒.
  • 多种激光脉冲持续时间和分析的处理参数,如速度,效率,质量和可重复性.

主要成果:

  • 已确认POD适用于从1kHz到1.0MHz的微结构,精度为5ns.
  • 鉴定了度扫描仪作为瓶,即使在充分利用.
  • 观察到随着脉冲持续时间的延长而改善的废弃效率,但结构质量下降.

结论:

  • 脉冲按需操作对于高速激光微结构是有效的.
  • 扫描仪技术限制了可实现的处理速度.
  • 在脉冲持续时间方面,切除效率和结构质量之间存在一个权衡.