Journal of the Korean Society for Precision Engineering (한국정밀공학회지)

Korean Society for Precision Engineering (한국정밀공학회)
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Ultrafast Femtosecond Lasers: Fundamentals and Applications

펨토초 레이저의 원리 및 응용

  • Kim, Young-Jin (Ultrafast Optics for Ultraprecision Group, Department of Mechanical Engineering, KAIST) ;
  • Kim, Yun-Seok (Ultrafast Optics for Ultraprecision Group, Department of Mechanical Engineering, KAIST) ;
  • Kim, Seung-Man (Ultrafast Optics for Ultraprecision Group, Department of Mechanical Engineering, KAIST) ;
  • Kim, Seung-Woo (Ultrafast Optics for Ultraprecision Group, Department of Mechanical Engineering, KAIST)
  • 김영진 (극초단광학 초정밀기술 연구단, KAIST 기계공학과) ;
  • 김윤석 (극초단광학 초정밀기술 연구단, KAIST 기계공학과) ;
  • 김승만 (극초단광학 초정밀기술 연구단, KAIST 기계공학과) ;
  • 김승우 (극초단광학 초정밀기술 연구단, KAIST 기계공학과)
  • Received : 2010.04.28
  • Accepted : 2010.05.04
  • Published : 2010.06.01
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Abstract

Physical fundamentals of ultrashort femtosecond lasers are addressed along with emerging applications for precision manufacturing and metrology. Femtosecond lasers emit short pulses whose temporal width is in the range of less than a picosecond to a few femtoseconds, thereby enabling extremely high peak-power machining with less thermal damages. Besides, the broad spectral bandwidth of femtosecond lasers constructed in the form of frequency comb permits absolute distance measurements leading to ultraprecision positioning control and dimensional metrology.

Keywords

References

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