Multi-element hollow-core anti-resonant fiber for infrared thermal imaging

Takuya Kobayashi, Takashi Katagiri, Yuji Matsuura

研究成果: Article査読

7 被引用数 (Scopus)

抄録

A bundle composed of 245 anti-resonant glass hollow optical fibers with a total diameter of 1 mm and fiber core diameter of 60 μm is fabricated for endoscopic infraredthermal imaging. The bundle fiber shows low losses in the wavelength range of 3 to 4 μm owing to the anti-resonant effect of the thin glass wall. An image resolution of around 420 μm with a field-of-view of 3-mm diameter is obtained although crosstalk between adjacent fibers is observed. The experimental results of an imaging system using the fiber bundle with a halfball lens at the distal end, which can be inserted into a working channel of endoscopes, are also shown.

本文言語English
ページ(範囲)26565-26574
ページ数10
ジャーナルOptics Express
24
23
DOI
出版ステータスPublished - 2016 11 14

ASJC Scopus subject areas

  • Atomic and Molecular Physics, and Optics

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