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激光基本知识 PowerPoint PPT Presentation


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激光基本知识. 激光 的最初的中文名叫做“镭射”、“莱塞” , 它 的英文名称 LASER 的音译,是取自英文 Light Amplification by Stimulated Emission of Radiation 的各单词头一个字母组成的缩写词。意思是 " 通过受激发射光扩大 " 。激光的英文全名已经完全表达了制造激光的主要过程。 1964 年按照我国著名科学家钱学森建议将“光受激发射”改称“激光”。. 光与物质的相互作用,实质上是组成物质的微观粒子吸收或辐射光子,同时改变自身运动状况的表现。

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激光基本知识

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LASERLight Amplification by Stimulated Emission of Radiation""1964


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  • 202030382


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  • AELAccessible Emission Limit443B

  • Iclass 1 Laser product

  • IIclass 2 Laser productI1mw0.25s

  • IIIAclass 3A Laser product1-5mw25w/m^2.

  • IIIBclass 3B Laser product,,:,10j/m^2,,0.5w

  • IVclass 4 Laser product0.5w


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1


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  • 2


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  • 3001000nm556nm,415542575nm,480nm400450nm


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  • 350Q10


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  • 400m-800 m

  • 980nm

  • 980nm

  • 980nm


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1995Nd:YAG

Nd:YAG30220VNd:YAG380V

2mmNd:YAG4mm

Nd:YAG


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  • NdYAG

  • 3mm1064nmNdYAG

  • 150NdYAG95

  • NdYAG

  • NdYAG3

  • ------ 2003.9


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