Hollow-core pear-shaped conjoined-tube fiber with low loss in the ultraviolet band

被引：1
|
作者：
Cheng, Yu [1 ,2 ]
Pan, Yu [1 ,2 ]
Liu, Houquan [1 ,2 ]
Xiao, Yiming [1 ,2 ]
Deng, Shijie [1 ,2 ]
Teng, Chuanxin [1 ,2 ]
Yang, Hongyan [1 ,2 ]
Deng, Hongchang [1 ,2 ]
Yuan, Libo [1 ,2 ]
机构：
[1] Guilin Univ Elect Technol, Sch Optoelect Engn, Guilin 541004, Peoples R China
[2] Guilin Univ Elect Technol, Guangxi Key Lab Optoelect Informat Proc, Guilin 541004, Peoples R China
来源：
HELIYON | 2023年 / 9卷 / 09期
关键词：
Hollow-core fiber; Pear-shaped tube; Ultraviolet band; NEGATIVE-CURVATURE; GUIDANCE; GENERATION; SCATTERING; LIGHT;
D O I：
10.1016/j.heliyon.2023.e19412
中图分类号：
O [数理科学和化学]; P [天文学、地球科学]; Q [生物科学]; N [自然科学总论];
学科分类号：
07 ; 0710 ; 09 ;
摘要：
PCTF (pear-shaped conjoined-tube fiber) is presented as a new ultraviolet (UV) guiding fiber with low loss. Results indicate that two PCTFs have better properties than that of previous studies in the UV band. The total loss of two PCTFs is less than 1 dB/km, and its bandwidth exceeds 150 nm between 0.2 and 0.4 mu m. Furthermore, PCTF's single-mode performance is very promising, as evidenced by the higher-order mode extinction ratio (HOMER) over 103. The fabrication toler-ance is discussed in this paper and results show that the tolerance is good enough to fabricate by normal fiber drawing process. This fiber is promising in applications for nonlinear optics, ultrafast optics, high power laser, and quantum optics.
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页数：8
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