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Proceedings Paper

Transmission properties of dielectric-coated hollow optical fibers based on Ni-Ti tube
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Paper Abstract

Ni-Ti tube is used as a supporting tube for the infrared hollow fiber to obtain flexibility and strong mechanical strength. In order to reduce roughness of inner surface of Ni-Ti tube which causes the additional transmission loss, an acrylic-silicon resin material is used as a buffer layer to the inner wall of Ni-Ti tube for a low-loss characteristic. For the dielectric inner-coating layer, cyclic olefin polymer (COP) is used to lower the transmission loss. The COP layer is formed by using liquid-phase coating method. The hollow fibers with optimized COP inner film thickness for CO2 laser light were fabricated and reasonable transmission losses was demonstrated.

Paper Details

Date Published: 20 February 2020
PDF: 8 pages
Proc. SPIE 11233, Optical Fibers and Sensors for Medical Diagnostics and Treatment Applications XX, 1123315 (20 February 2020); doi: 10.1117/12.2542148
Show Author Affiliations
Katsumasa Iwai, National Institute of Technology, Sendai College (Japan)
Hiroyuki Takaku, National Institute of Technology, Sendai College (Japan)
Mitsunobu Miyagi, National Institute of Technology, Sendai College (Japan)
Yi-Wei Shi, Fudan Univ. (China)
Xiao-Song Zhu, Fudan Univ. (China)
Yuji Matsuura, Tohoku Univ. (Japan)


Published in SPIE Proceedings Vol. 11233:
Optical Fibers and Sensors for Medical Diagnostics and Treatment Applications XX
Israel Gannot, Editor(s)

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