Cyclic olefin polymer-coated silver hollow glass waveguides for the infrared

Yi Wei Shi, You Wang, Yukio Abe, Yuji Matsuura, Mitsunobu Miyagi, Shunichi Sato, Manabu Taniwaki, Hiroshi Uyama

Research output: Contribution to journalArticlepeer-review

67 Citations (Scopus)


Cyclic olefin polymer (COP) is newly used as the inner dielectric of infrared, hollow glass waveguides because of its low extinction coefficient in the mid-infrared region. A liquid-flow coating and dry-cure process are employed to form the COP layer on the inside of a silver-coated hollow glass tube. In the coating process, cyclohexane is chosen as the solvent of COP to form a smooth and uniform COP layer. It is shown that COP-coated silver hollow glass waveguides show low loss properties for CO2, CO, and Er:YAG laser light when the thickness of the COP layer is properly chosen.

Original languageEnglish
Pages (from-to)7758-7762
Number of pages5
JournalApplied Optics
Issue number33
Publication statusPublished - 1998 Dec 20


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