A monolithic microlens for an ytterbium-doped microstructured optical fiber amplifier

被引：0
|
作者：
Xiao, Yang [1 ,2 ,3 ]
Chen, Yun [1 ,2 ,3 ]
Liu, Jiantao [1 ,2 ,3 ]
Mai, Yifan [1 ,2 ,3 ]
Liu, Ke [1 ,2 ,3 ]
Hou, Zhiyun [1 ,2 ,3 ]
Zhou, Guiyao [1 ,2 ,3 ]
Xia, Changming [1 ,2 ,3 ]
机构：
[1] South China Normal Univ, Guangzhou Key Lab Special Fiber Photon Devices &, Guangzhou 510006, Guangdong, Peoples R China
[2] South China Normal Univ, Guangdong Provice Key Lab Nanophoton Funct Mat &, Guangzhou 510006, Guangdong, Peoples R China
[3] Guangdong Prov Engn Technol Res Ctr Microstruct F, Guangzhou 510006, Guangdong, Peoples R China
来源：
LASER PHYSICS | 2019年 / 29卷 / 03期
基金：
中国国家自然科学基金;
关键词：
microstructured optical fiber; microlens; amplifier; end cap; optical coupling; beam shaping; PHOTONIC CRYSTAL FIBER; LASER-DIODE; POWER;
D O I：
10.1088/1555-6611/aaffc6
中图分类号：
O43 [光学];
学科分类号：
070207 ; 0803 ;
摘要：
Ytterbium-doped microstructured optical fibers have many advantages for fiber amplifiers. Due to air-hole structures in the cladding of ytterbium-doped microstructured optical fibers, high-power microstructured optical fiber laser systems require stricter treatment of the fiber end than conventional ytterbium-doped double-cladding fiber laser systems. Here, we fabricated a fiber microlens in an ytterbium-doped double-cladding microstructured optical fiber for a fiber amplifier by CO2-laser fusion. The microlens can combine the end-cap scheme, pump coupling and beam shaping. This end face processing technology is useful for high mechanical stability, good reproducibility and miniaturization of laser systems.
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页数：6
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