대한전기학회:학술대회논문집 (Proceedings of the KIEE Conference)

대한전기학회 (The Korean Institute of Electrical Engineers)
권호 표지

다단메쉬 및 펄스중첩법을 적용한 펄스형 Nd:YAG의 Surfacing Process

Surfacing Process of Pulsed Nd:YAG laser by using Multiple mesh and Pulse Superposition Technique

  • Joung, J.H. (Dept. of Electrical Eng, Pusan National Univ.) ;
  • Hong, J.H. (Dept. of Electrical Eng, Pusan National Univ.) ;
  • Kim, D.H. (Dept. of Electrical Eng, Pusan National Univ.) ;
  • Kim, H.J. (Dept. of Electrical Eng, Pusan National Univ.) ;
  • Cho, J.S. (Dept. of Electrical Eng, Pusan National Univ.)
  • 발행 : 1997.11.29
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초록

In this study, we designed multiple mesh circuit consisting of 3-6 meshes and pulse superposition one consisting of a 3 mesh, and fabricated the electrical power supply and the single elliptical resonator. We developed the two pulse superposition technique forming the step pulse shapes of pulsed Nd:YAG laser with single shot multivibrator and 2 SCRs. Laser beam generated by multiple mesh circuit and superposition one respectively irradiated target surface to analyze process state of surface with spark and vapor. And it was obtained experimental results that all superposition meshes had common points which the best efficiency was obtained at delay time 0[${\mu}s$], followed by, no superposition and obtained at delay time 250[${\mu}s$].

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