Gold-Coated Temperature Optical Fiber Sensor Based on a Mach-Zehnder Interferometer for Photovoltaic Monitoring

被引：0
作者：
Guzowski, Bartlomiej [1 ]
Lakomski, Mateusz [1 ]
Peczek, Krzysztof [1 ]
Ruta, Lukasz [1 ]
Sibinski, Maciej [1 ,2 ]
机构：
[1] Lodz Univ Technol, Dept Semicond & Optoelect Devices, PL-93590 Lodz, Poland
[2] Tallinn Univ Technol, Dept Mat & Environm Technol, Ehitajate Tee 5, EE-19086 Tallinn, Estonia
来源：
MATERIALS | 2025年 / 18卷 / 08期
基金：
欧盟地平线“2020”;
关键词：
tapered optical fiber; Mach-Zehnder interferometer; temperature; sensor; gold; surface plasmon resonance; photovoltaic system; monitoring; SENSITIVITY;
D O I：
10.3390/ma18081818
中图分类号：
O64 [物理化学（理论化学）、化学物理学];
学科分类号：
070304 ; 081704 ;
摘要：
The development of a Mach-Zehnder interferometer based on tapered optical fiber for temperature sensing applications is presented. Two tapers, 24 mm apart, were fabricated on SMF-28e+ using the fusion splicer. The optical structures were coated with a 100 nm layer of gold. The influence of the gold deposition on the temperature sensitivity of the fabricated sensors is presented. The sensor was characterized in O-, S-, C-, and L-bands in a temperature range of 0-70 degrees C. The highest temperature sensitivity of 72 pm/degrees C with R2 = 0.9974 was obtained for the gold-coated sensor. During the investigation, the average transmission loss was low and did not exceed 7 dB.
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页数：15
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