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Optics Express

Optics Express

  • Editor: C. Martijn de Sterke
  • Vol. 18, Iss. 19 — Sep. 13, 2010
  • pp: 19755–19760

Femtosecond laser and arc discharge induced microstructuring on optical fiber tip for the multidirectional firing

Ik-Bu Sohn, Youngseop Kim, Young-Chul Noh, In Won Lee, Jun Ki Kim, and Ho Lee  »View Author Affiliations

Optics Express, Vol. 18, Issue 19, pp. 19755-19760 (2010)

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Most optical fibers are designed for forward firing i.e. the light is emitted at the distal end along the optical axis of the fiber. In some applications such as the laser surgery and laser scanners, side firing of the optical fiber is required. In this paper, we present the microstructuring of an optical fiber tip using the femtosecond laser and an arc discharging process for the multidirectional firing of the beam. The distal end of the optical fiber with diameter of 125 μm was machined into a conical structure using a femtosecond laser. The surface of the machined tip was exposed to the arc discharge using a fiber splicer. The arc discharge leads to the melting and re-solidification of the fiber tip. This results in a smoothing of laser-induced conical microstructure at the tip of the fiber. We were able to demonstrate the multidirectional (circumferential) emission of the light from the developed fiber tip.

© 2010 OSA

OCIS Codes
(140.3390) Lasers and laser optics : Laser materials processing
(140.7090) Lasers and laser optics : Ultrafast lasers
(170.0170) Medical optics and biotechnology : Medical optics and biotechnology
(170.1020) Medical optics and biotechnology : Ablation of tissue
(220.5450) Optical design and fabrication : Polishing
(060.4005) Fiber optics and optical communications : Microstructured fibers

ToC Category:
Laser Microfabrication

Original Manuscript: July 9, 2010
Revised Manuscript: August 13, 2010
Manuscript Accepted: August 18, 2010
Published: September 1, 2010

Virtual Issues
Vol. 5, Iss. 13 Virtual Journal for Biomedical Optics

Ik-Bu Sohn, Youngseop Kim, Young-Chul Noh, In Won Lee, Jun Ki Kim, and Ho Lee, "Femtosecond laser and arc discharge induced microstructuring on optical fiber tip for the multidirectional firing," Opt. Express 18, 19755-19760 (2010)

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  1. W. W. Gong, Z. H. Zheng, J. J. Zheng, H. F. Zhao, X. G. Ren, and S. Z. Lu, “Femtosecond laser induced submicrometer structures on the ablation crater walls of II–VI semiconductors in water,” Appl. Surf. Sci. 255(7), 4351–4354 (2009). [CrossRef]
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