Femtosecond Laser Microprinting of a Fiber Whispering Gallery Mode Resonator for Highly-Sensitive Temperature Measurements

被引：27
|
作者：
Li, Zhengyong [1 ]
Liao, Changrui [1 ]
Wang, Jia [1 ]
Li, Ziliang [1 ]
Zhou, Peng [1 ]
Wang, Ying [1 ]
Wang, Yiping [1 ]
机构：
[1] Shenzhen Univ, Coll Optoelect Engn, Minist Educ & Guangdong Prov, Key Lab Optoelect Devices & Syst, Shenzhen 518060, Peoples R China
来源：
JOURNAL OF LIGHTWAVE TECHNOLOGY | 2019年 / 37卷 / 04期
基金：
中国国家自然科学基金;
关键词：
Femtosecond lase microprint; optical fiber devices; temperature measurements; whispering gallery mode; EXCITATION;
D O I：
10.1109/JLT.2019.2890991
中图分类号：
TM [电工技术]; TN [电子技术、通信技术];
学科分类号：
0808 ; 0809 ;
摘要：
We demonstrate a novel method for producing whispering gallery mode (WGM) resonators on a microfiber using femtosecond laser two-photon polymerization technology. The typical resonance was observed by coupling the microresonator with a tapered fiber in a region where they were physically separated. Unlike conventional WGM devices, this photosensitive resin-based resonator was deposited on a microfiber, whereby the structural integration was improved. Resonance was experimentally demonstrated using two types of ring structures, i.e., circle and racetrack. The devices were successfully used for temperature measurements, achieving a maximum temperature sensitivity of 1.68 nm/degrees C and a Q-factor of 1.9 x 10(3).
引用
收藏
页码：1241 / 1245
页数：5
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