200W超級SHG発振器と加工応用  [in Japanese] SHG Lasers Over 200W & Laser Processing Applications  [in Japanese]

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Author(s)

Abstract

In recent years, the use of all solid-state high power green lasers (more than 100 W) has spread into manufac-turing lines. Especially in liquid crystal display (LCD) industries, high power green lasers are becoming highly sought after for the annealing process of amorphous-silicon (a-Si), instead of conventional eximer lasers, due to lower maintenance costs, higher stability and better results in the crystallization process. Laserfront Technologies, Inc.(LFT) has developed a very stable all solid-state high power green laser using the intra cavity second harmonic generation (SHG) technique of the Nd: YAG laser. Its maximum output power has reached 259W, which is the highest power output using the intra cavity SHG technique currently known in the world. In this paper, we report its features and demonstrate cutting copper, which is well known as being a very difficult metal to cut with infrared lasers due to very high reflectivity.

Journal

  • rle  

    rle 34(9), 636-639, 2006-09-15 

    The Laser Society of Japan

References:  4

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Cited by:  3

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Codes

  • NII Article ID (NAID)
    10018250455
  • NII NACSIS-CAT ID (NCID)
    AN00255326
  • Text Lang
    JPN
  • Article Type
    Journal Article
  • ISSN
    03870200
  • NDL Article ID
    8515011
  • NDL Source Classification
    ZN33(科学技術--電気工学・電気機械工業--電子工学・電気通信)
  • NDL Call No.
    Z16-1040
  • Data Source
    CJP  CJPref  NDL  J-STAGE 
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