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.

引用

页数：6

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