Optical Instruments, Volume. 45, Issue 4, 80(2023)
Degsin of open-loop photonic crystal fiber chemical sensor
Figures & Tables(9)
Fig. 1. Schematic diagram of low refractive index photonic crystal fiber structure
Fig. 2. Mode coupling process and the change in its real imaginary part
Fig. 3. Sensor loss spectrum corresponding to parameters
Fig. 4. Sensor loss spectrum corresponding to open-loop radius, period and metal thickness
Fig. 5. Loss spectrum of corresponding sensors under different refractive index environments
Fig. 6. Resonance wavelength changes with refractive index of the object to be measured
Table 1. Comprehensive performance of sensors under different refractive indices
View tableView in ArticleTable 1. Comprehensive performance of sensors under different refractive indices
折射率 共振峰处波/ nm 共振峰偏移/ nm 分辨率/ RIU 灵敏度/ nm·RIU−1 1.25 4 450 1.26 4 280 170 5.88×10−6 17 000 1.27 4 080 200 5.00×10−6 20 000 1.28 3 860 220 4.55×10−6 23 000 1.29 3 610 250 4.00×10−6 25 000 1.30 3 280 330 3.03×10−6 33 000 1.31 3 110 170 5.88×10−6 17 000
Table 2. Performance comparison between low refraction sensor and this paper
View tableView in ArticleTable 2. Performance comparison between low refraction sensor and this paper
参考文献 折射率范围 最高灵敏度/nm·RIU−1 工作波长范围/nm 最低分辨率/RIU [26] 1.19～1.29 10 700 1 280～1 690 9.34×10-6 [ 11 ]1.20～1.29 11 055 2 300～2 850 9.05×10-6 [ 15 ]1.26～1.33 16 400 1 300～2 300 6.10×10-6 [ 14 ]1.28～1.32 15 346 1 700～2 250 6.51×10-6 本文 1.26～1.31 33 000 2 800～4 700 3.03×10-6
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Ziyi ZHU, Min CHANG, Wanlin MO, Xuejing LIU. Degsin of open-loop photonic crystal fiber chemical sensor[J]. Optical Instruments, 2023, 45(4): 80
Paper Information
Category: DESIGN AND RESEARCH
Received: Aug. 20, 2022
Accepted: Aug. 20, 2022
Published Online: Sep. 26, 2023
The Author Email: Min CHANG (changmin@usst.edu.cn)
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