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The physical mechanism of heat generation by the absorption of laser radiation was briefly explained in section 4.2. As a result of their acceleration in the electric field of the laser radiation, the electrons in the irradiated material experience an almost instantaneous energy supply while the atoms are still “cold”. This is because, like in any exchange of energy and momentum between particles of different masses, the transfer of the energy from the light and mobile electrons to the heavier ions takes some time.

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Thermal Effects in the Workpiece

  • 章节

  • 发表日期：

    2026年

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  • Helmut Hügel,
  • Thomas Graf

摘要

The physical mechanism of heat generation by the absorption of laser radiation was briefly explained in section 4.2. As a result of their acceleration in the electric field of the laser radiation, the electrons in the irradiated material experience an almost instantaneous energy supply while the atoms are still “cold”. This is because, like in any exchange of energy and momentum between particles of different masses, the transfer of the energy from the light and mobile electrons to the heavier ions takes some time.