High sensitivity D-shaped hole fiber temperature sensor based on surface plasmon resonance with liquid filling

Sijun Weng; Li Pei; Jianshuai Wang; Tigang Ning; Jing Li

doi:10.1364/PRJ.5.000103

Journals >Photonics Research >Volume 5 >Issue 2 >Page 103 > Article

Photonics Research
Vol. 5, Issue 2, 103 (2017)

High sensitivity D-shaped hole fiber temperature sensor based on surface plasmon resonance with liquid filling

Sijun Weng, Li Pei^*, Jianshuai Wang, Tigang Ning, and Jing Li

Author Affiliations

Key Lab of All Optical Network and Advanced Telecommunication Network of Ministry of Education, Institute of Lightwave Technology, Beijing Jiaotong University, Beijing 100044, China

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DOI: 10.1364/PRJ.5.000103 Cite this Article Set citation alerts

Sijun Weng, Li Pei, Jianshuai Wang, Tigang Ning, Jing Li. High sensitivity D-shaped hole fiber temperature sensor based on surface plasmon resonance with liquid filling[J]. Photonics Research, 2017, 5(2): 103 Copy Citation Text

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Fig. 1. Cross section of D-shaped hole double-cladding fiber SPR temperature sensor and the proposed setup for loss spectrum interrogation.

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Fig. 2. Electric field distribution (a) of y polarization and (b) of x polarization.

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$Real part of effective refractive index of fiber core mode and SPP mode and the loss spectrum of fiber SPR sensor.$

Fig. 3. Real part of effective refractive index of fiber core mode and SPP mode and the loss spectrum of fiber SPR sensor.

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Fig. 4. Influence of rd on the loss spectrum. (a) rd=5 μm, (b) rd=5.5 μm, (c) rd=6 μm, and (d) the fitted results of resonant wavelength of y polarization with different temperatures, where the blue, red, and black markers are the simulation results.

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Fig. 5. Influence of hAu on the loss spectrum. (a) hAu=47 nm, (b) hAu=57 nm, (c) hAu=67 nm, and (d) the fitted results of resonant wavelength of y polarization with different temperatures, where the blue, red, and black markers are the simulation results.

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Fig. 6. (a) Loss spectra with different temperatures of y polarization and (b) fitted result of resonant wavelength with different temperatures, where the blue squares are the simulation results and the red line represents the fitted line.

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