極端紫外光発生用高繰り返し固体レーザー装置の開発  [in Japanese] Development of High-Peak and High-Average-Power LD Pumped Solid-State Laser System for EUV Generation  [in Japanese]

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Author(s)

Abstract

We are developing a 5kW (5kHz, 1J, 1-10ns) solid state laser system for EUV lithography. The Laser system is constructed by the fiber oscillator, regenerative amplifier and three amplifier stages. The output power is achieved at 955W, 10kHz, 7ns. The main amplifier modules are pumped with high power density over 400 W/cm. The thermal lens effect is not sphere, and includes high order phase aberrations. The phase aberration disturbs the propagation of the laser light. In addition, the spectral shift of the fluorescence is caused by rising the temperature of the laser medium.

Journal

  • rle  

    rle 34(9), 628-632, 2006-09-15 

    The Laser Society of Japan

References:  13

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Codes

  • NII Article ID (NAID)
    10018250434
  • NII NACSIS-CAT ID (NCID)
    AN00255326
  • Text Lang
    JPN
  • Article Type
    REV
  • ISSN
    03870200
  • NDL Article ID
    8514978
  • 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  NDL  J-STAGE 
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