Fabrication of a polymer-coated silver hollow optical fiber with high performance

Yi Wei Shi, Kentaro Ito, Lin Ma, Takanori Yoshida, Yuji Matsuura, Mitsunobu Miyagi

Research output: Contribution to journalArticlepeer-review

50 Citations (Scopus)


The techniques for fabricating a hollow optical fiber with an inner silver layer and a cyclic olefin polymer (COP) layer have been improved to reduce the surface roughness of these two layers. The loss spectrum was thereby drastically reduced over a wide wavelength range, from visible to near infrared. Optimization of the COP layer thickness resulted in low loss simultaneously at several key laser wavelengths. Infrared hollow fiber with low loss was developed for Er:YAG and Nd:YAG lasers. It can also deliver green and red pilot beams with low loss. Use of this fiber in therapeutic and pilot lasers should prove useful for research and development in laser medicine.

Original languageEnglish
Pages (from-to)6736-6740
Number of pages5
JournalApplied Optics
Issue number26
Publication statusPublished - 2006 Sept 10


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