Interferometric humidity sensors based on microfiber knot resonators

被引：1
|
作者：
Wu, Yu [1 ]
Zhang, TianHu [1 ]
Rao, YunJiang [1 ]
Gong, Yuan [1 ]
机构：
[1] Univ Elect Sci & Technol China, Key Lab Opt Fiber Sensing & Commun, Educ Minist China, Chengdu 610054, Sichuan, Peoples R China
来源：
21ST INTERNATIONAL CONFERENCE ON OPTICAL FIBER SENSORS | 2011年 / 7753卷
关键词：
Optical fiber sensors; humidity sensors; silica/polymer microfibers; knot resonators;
D O I：
10.1117/12.884918
中图分类号：
TH7 [仪器、仪表];
学科分类号：
0804 ; 080401 ; 081102 ;
摘要：
In this paper, three fiber-optic interferometric humidity sensors based on silica/polymer microfiber knot resonators (SMKR/PMKR) are reported. These tiny humidity sensors are directly fabricated by using silica/polymer microfibers without any humidity-sensitive coating. The silica MKR has a humidity sensitivity of similar to 12pm/10% RH over a range from 14% RH to 60% RH, while the PMMA (poly-methyl methacrylate) MKR has a humidity sensitivity of similar to 88pm/10% RH, over a range from 17% RH to 95% RH, and the PAM (Polyacrylamide) MKR with the highest sensitivity of similar to 270pm/% RH over the range of 10% to 62%.
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页数：4
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