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
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
收藏
页码:400 / 405
页数:6
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