Laser Solutions (한국레이저가공학회지)

Korean Society of Laser Processing (한국레이저가공학회)
권호 표지

Laser micromachining of optical endoscopic fiber for viewing

시야각 조절이 가능한 내시경 광섬유 레이저 가공 기술

  • Yoo, Dongyoon (Advanced Photonics Research Institute, Gwangju Intitute of Science and Technology) ;
  • Choi, Hun-Kook (Advanced Photonics Research Institute, Gwangju Intitute of Science and Technology) ;
  • Sohn, Ik-Bu (Advanced Photonics Research Institute, Gwangju Intitute of Science and Technology) ;
  • Noh, Young-Chul (Advanced Photonics Research Institute, Gwangju Intitute of Science and Technology) ;
  • Shin, Jung-Won (GSM Korea)
  • 유동윤 (광주과학기술원 고등광기술연구소) ;
  • 최훈국 (광주과학기술원 고등광기술연구소) ;
  • 손익부 (광주과학기술원 고등광기술연구소) ;
  • 노영철 (광주과학기술원 고등광기술연구소) ;
  • 신중원
  • Received : 2015.03.23
  • Accepted : 2015.03.26
  • Published : 2015.03.31
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Abstract

In this paper, controlling shape of optical fiber tip for endoscope was investigated for eliminating blind spot. The blind spot of endoscope is generated by divergence angle of optical fiber, so it is easy to generate blind spot when tightly focusing. In order to eliminate this region, fiber tip is necessary to be controlled as convex or concave. Illumination simulation of convex and concave type of fiber tip in the endoscope was in progress, so the distance of non- blind region was investigated in each case. As well as the simulation, the tip was fabricated as concave shape by UV laser machining. Then the beam radiation was measured to observe the blind region. The result showed that controlling the fiber tip as convex or concave shape makes the narrow blind region of illumination in endoscope.

Keywords

References

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