Journal of the Optical Society of Korea

  • 제13권1호
  • /
  • Pages.146-151
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  • 2009
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  • 1226-4776(pISSN)
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  • 2093-6885(eISSN)
한국광학회 (Optical Society of Korea)
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Laser Beam Shaping Using Hollow Optical Fiber and Its Application in Laser Induced Thermal Printing

  • 투고 : 2008.12.01
  • 심사 : 2008.12.19
  • 발행 : 2009.03.25
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초록

A Gaussian beam of single mode fiber laser was changed into a ring-shaped pattern after it was transmitted through the hollow optical fiber. The ring-shaped beam was focused on a plane by an f-. lens and it was scanned by a Galvano-mirror. The spatial profile of laser energy incident on a plane had two peaks at both sides of the scanned linear track. The profile was compared with the result obtained when the Gaussian beam was dithered transversely by an acousto-optic modulator. It is found that hollow optical fiber beam shaper can replace acousto-optic beam dithering device which is employed in a laser induced thermal printing system.

키워드

참고문헌

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피인용 문헌

  1. Optical-fiber Electronic Speckle Pattern Interferometry for Quantitative Measurement of Defects on Aluminum Liners in Composite Pressure Vessels vol.17, pp.1, 2013, https://doi.org/10.3807/JOSK.2013.17.1.050
  2. The elliptical micro-lens array in the application of the LDA beam shaping vol.125, pp.24, 2014, https://doi.org/10.1016/j.ijleo.2014.07.114
  3. Field analysis based on the smoothly deformed Bragg fiber vol.125, pp.14, 2014, https://doi.org/10.1016/j.ijleo.2014.01.079
  4. Effect of Laser Beam Trajectory on Donor Plate in Laser Induced Thermal Printing Process vol.15, pp.4, 2011, https://doi.org/10.3807/JOSK.2011.15.4.362