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激光消光等离子体扩张使用微波.

Yuji Ikeda1, Joey Kim Soriano2, Hironori Ohba3,4

  • 1i-Lab., Inc., #213 KIBC Bldg., 5-5-2 Minatojima-Minami, Chuo, Kobe, 650-0047, Japan. yuji@i-lab.net.

Scientific reports
|August 25, 2023
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概括

微波显著增强激光除等离子体,增加排放和体积,同时降低温度. 这种方法增强了激光诱导分解光谱,并减少了危险烟雾,有助于清理核废物.

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科学领域:

  • 等离子体物理学的物理学
  • 材料科学 材料科学 材料科学

背景情况:

  • 激光切除产生短暂的等离子体用于材料分析.
  • 控制等离子体的特性,如排放量和体积对于应用至关重要.
  • 过渡性等离子体通常具有高温,限制了某些应用和安全性.

研究的目的:

  • 为了研究微波对Zr目标激光消光等离子体的影响.
  • 评估微波炉在维持和增强等离子体膨胀方面的潜力.
  • 为了评估对等离子体温度,辐射强度和空间体积的影响.

主要方法:

  • 使用微波来与瞬态激光切除等离子体相互作用.
  • 测量等离子体发射强度和空间体积.
  • 使用光谱方法监测等离子体温度变化.

主要成果:

  • 微波将等离子体发射强度提高了2-3个数量级.
  • 等离子体空间体积扩大了18倍.
  • 血温度从10,000K降低到大约3000K.
  • 微波应用使得空气中持续存在的等离子体,表明非平衡条件.

结论:

  • 微波在较低温度下有效增强激光除等离子体排放和体积.
  • 这种技术提高了激光诱导分解光谱的性能和安全性.
  • 微波炉可以减轻在废弃过程中产生有毒烟雾和灰尘的产生,这对危险物质的处理有益.