Multi-element hollow-core anti-resonant fiber for infrared thermal imaging
Multi-element hollow-core anti-resonant fiber for infrared thermal imaging
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DOI：
10.1364/oe.24.026565
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发表时间：
2016-11-14
期刊：
影响因子：
3.8
通讯作者：
Matsuura, Yuji
中科院分区：
文献类型：
--
作者：
Kobayashi, Takuya;Katagiri, Takashi;Matsuura, Yuji
制作了一束由245根总直径为1mm、纤芯直径为60 μ m的抗共振玻璃空心光纤组成的内窥镜红外热成像光纤束。由于薄玻璃壁的反谐振效应，该束光纤在3至4 μ m波长范围内显示出低损耗。虽然观察到相邻光纤之间的串扰，但获得了直径为3 mm的视场的约420 μ m的图像分辨率。还示出了使用在远端具有半球形透镜的光纤束的成像系统的实验结果，该光纤束可以插入内窥镜的工作通道中。(C)2016美国光学学会
A bundle composed of 245 anti-resonant glass hollow optical fibers with a total diameter of 1 mm and fiber core diameter of 60 mu m is fabricated for endoscopic infrared-thermal imaging. The bundle fiber shows low losses in the wavelength range of 3 to 4 mu m owing to the anti-resonant effect of the thin glass wall. An image resolution of around 420 mu m 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 half-ball lens at the distal end, which can be inserted into a working channel of endoscopes, are also shown. (C) 2016 Optical Society of America