Graphene oxide-coated microbottle resonators for relative humidity sensing

被引：1

作者：

Zain, Huda Adnan ^{[1
]}

Batumalay, Malathy ^{[2
]}

Johari, Md Ashadi Md ^{[3
]}

Rahim, Hazli Rafis Abdul ^{[4
]}

Harun, Sulaiman Wadi ^{[1
]}

机构：

[1] Univ Malaya, Fac Engn, Dept Elect Engn, Kuala Lumpur 50603, Malaysia

[2] INTI Int Univ, Fac Data Sci & Informat Technol, Nilai 71800, Malaysia

[3] Univ Teknikal Malaysia Melaka, Fac Elect & Elect Engn Technol, Melaka 76100, Malaysia

[4] Univ Teknikal Malaysia Melaka, Fac Elect & Comp Engn, Melaka 76100, Malaysia

来源：

OPTOELECTRONICS LETTERS | 2024年 / 20卷 / 07期

关键词：

A; SENSOR;

D O I：

10.1007/s11801-024-3107-4

中图分类号：

O43 [光学];

学科分类号：

070207 ; 0803 ;

摘要：

Graphene oxide (GO) is a 2D coating material used to improve fiber optics sensors' response to relative humidity. Microbottle resonators (MBRs) have garnered more attention as sensing media structures. An MBR with a 190 mu m diameter was coated with GO. Then, tapered fiber light coupling was used to investigate the relative humidity sensing performance in the range of 35-70%RH at 25 degrees C. The MBR showed a higher Q factor before and after GO coating. The sensitivity of 0.115 dB/%RH was recorded with the 190 mu m GO-coated MBR sample compared to a sensitivity of 0.022 dB/%RH for the uncoated MBR sample. These results show that the MBR can be used in fiber optic sensing applications for environmental sensing.

引用

页码：400 / 405

页数：6

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