Ultra-large mode area mid-infrared fiber based on chalcogenide glasses extrusion

被引：5
|
作者：
Zhong, Minghui [1 ]
Liang, Xiaolin [1 ,2 ]
Xiao, Jing [1 ,2 ]
Wu, Guolin [1 ,2 ]
Jiao, Kai [1 ,2 ]
Wang, Xiange [1 ,2 ]
Xu, Tiesong [1 ,2 ]
Liu, Jia [1 ,2 ]
Zhao, Zheming [3 ]
Wang, Xunsi [1 ,2 ]
Wang, Rongping [1 ,2 ]
Zhou, Yaxun [1 ,2 ]
Zhang, Peiqing [1 ,2 ]
Liu, Yongxing [1 ,2 ]
Nie, Qiuhua [1 ,2 ]
机构：
[1] Ningbo Univ, Coll Informat Sci & Engn, Res Inst Adv Technol, Lab Infrared Mat & Devices, Ningbo 315211, Peoples R China
[2] Key Lab Photoelect Mat & Devices Zhejiang Prov, Ningbo, Peoples R China
[3] Jiaxing Univ, Nanhu Coll, Jiaxing, Peoples R China
来源：
JOURNAL OF THE AMERICAN CERAMIC SOCIETY | 2021年 / 104卷 / 01期
基金：
中国国家自然科学基金;
关键词：
chalcogenide glass fiber; high NA; preform extrusion; ultra-large mode area; SUPERCONTINUUM GENERATION; DISPERSION; DESIGN;
D O I：
10.1111/jace.17474
中图分类号：
TQ174 [陶瓷工业]; TB3 [工程材料学];
学科分类号：
0805 ; 080502 ;
摘要：
We have prepared an ultra-large core, high numerical aperture (NA) chalcogenide (ChG) step-index fiber (SIF) with a mode area of >43 600 mu m(2)at the wavelength of 5.5 mu m by an improved extrusion method. The fiber based on two ChG glasses with similar softening temperature has a core diameter of 339.0 mu m and ultra-thin cladding. The fiber exhibits a minimum loss of 1.75 dB/m at 9.74 mu m and an optical loss of <5.0 dB/m from 5.3 to 10.8 mu m. Broadband supercontinuum (SC) covering from 1.2 mu m to 13.7 mu m has been generated in a 17-cm-long ultra-large mode area fiber with large core and high NA. All these show that, the fiber possesses the potential for high-power infrared laser transmission.
引用
收藏
页码：343 / 349
页数：7
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