Optical fiber temperature sensor based on a Mach-Zehnder interferometer with single-mode-thin-core-single-mode fiber structure

2020 ◽  
Vol 91 (1) ◽  
pp. 015006 ◽  
Author(s):  
Qingzhuo Wang ◽  
Hongyun Meng ◽  
Xiaofeng Fan ◽  
Mengqi Zhou ◽  
Fengxiang Liu ◽  
...  
Sensors ◽  
2021 ◽  
Vol 21 (17) ◽  
pp. 5870
Author(s):  
Huitong Deng ◽  
Xiaoman Chen ◽  
Zhenlin Huang ◽  
Shiqi Kang ◽  
Weijia Zhang ◽  
...  

A 3-aminopropyl-triethoxysilane (APES) fiber-optic sensor based on a Mach–Zehnder interferometer (MZI) was demonstrated. The MZI was constructed with a core-offset fusion single mode fiber (SMF) structure with a length of 3.0 cm. As APES gradually attaches to the MZI, the external environment of the MZI changes, which in turn causes change in the MZI’s interference. That is the reason why we can obtain the relationships between the APES amount and resonance dip wavelength by measuring the transmission variations of the resonant dip wavelength of the MZI. The optimized amount of 1% APES for 3.0 cm MZI biosensors was 3 mL, whereas the optimized amount of 2% APES was 1.5 mL.


2014 ◽  
Vol 635-637 ◽  
pp. 856-859 ◽  
Author(s):  
Ying Wu Zhou ◽  
Sheng Yu Chen

A novel in-line fiber temperature sensor by splicing a piece of single mode fiber between two thermally expanded core fibers at their core-expanded ends is proposed and demonstrated. This structure forms an all fiber Mach–Zehnder interferometer due to the interference between the core mode and the cladding modes of the single mode fiber. The fabricated sensor is applied to measure temperature changes. The temperature sensitivity of the sensor at a length of 6.3cm is about 65.3 pm/°C. The proposed sensor is low cost, easily fabricated, and may be useful for detection of temperature.


Laser Physics ◽  
2018 ◽  
Vol 28 (7) ◽  
pp. 075102 ◽  
Author(s):  
Jianchang Tan ◽  
Guoying Feng ◽  
Shulin Zhang ◽  
Jingchuan Liang ◽  
Wei Li ◽  
...  

Author(s):  
R. Peñaloza-Delgado ◽  
R. M. Sierra-Hernández ◽  
E. Pacheco-Chacón ◽  
L.J. Cuchimaque-Lugo ◽  
E. Hernández-Rodríguez

2021 ◽  
Vol 1918 (2) ◽  
pp. 022010
Author(s):  
Ian Yulianti ◽  
N M Dharma Putra ◽  
Fianti ◽  
H Rumiana ◽  
Z A F Latif ◽  
...  

2018 ◽  
Vol 57 (01) ◽  
pp. 1
Author(s):  
Jianchang Tan ◽  
Guoying Feng ◽  
Jingchuan Liang ◽  
Shulin Zhang

2019 ◽  
Vol 58 (05) ◽  
pp. 1 ◽  
Author(s):  
Wenlin Gao ◽  
Weihua Zhang ◽  
Zhengrong Tong ◽  
Yimei Zhong ◽  
Juan Qin ◽  
...  

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