High sensitivity side-hole fiber magnetic field sensor based on surface plasmon resonance

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

doi:10.3788/COL201614.110603

Journals >Chinese Optics Letters >Volume 14 >Issue 11 >Page 110603 > Article

Chinese Optics Letters
Vol. 14, Issue 11, 110603 (2016)

High sensitivity side-hole fiber magnetic field sensor based on surface plasmon resonance

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: 10.3788/COL201614.110603 Cite this Article Set citation alerts

Sijun Weng, Li Pei, Jianshuai Wang, Tigang Ning, Jing Li. High sensitivity side-hole fiber magnetic field sensor based on surface plasmon resonance[J]. Chinese Optics Letters, 2016, 14(11): 110603 Copy Citation Text

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Fig. 1. Cross section of the side-hole fiber SPR sensor and the proposed setup for loss spectrum interrogation. OSA, optical spectrum analyzer.

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Fig. 2. Field distribution of the upper part of the fiber core of the (a) y-polarization and (b) x-polarization.

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Fig. 3. Re(neff), Re(nSPP), and the loss spectrum of the fiber sensor as a function of wavelength.

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Fig. 4. Influence of r3 on the loss spectrum of the side-hole fiber SPR sensor.

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Fig. 5. Influence of rd on the loss spectrum of the side-hole fiber SPR sensor.

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Fig. 6. Influence of hAu on the loss spectrum of the side-hole fiber SPR sensor.

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Fig. 7. (a) The loss spectrum with different external magnetic fields and (b) the fitted result of the resonant wavelength.

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H (Oe)	0	30	89.9	120.3	150	180.4	210.9
$n_{MF}$	1.462	1.462	1.4635	1.4645	1.4654	1.4662	1.4666

Table 1. Refractive Index of the MF with Different External Magnetic Fields

Sijun Weng, Li Pei, Jianshuai Wang, Tigang Ning, Jing Li. High sensitivity side-hole fiber magnetic field sensor based on surface plasmon resonance[J]. Chinese Optics Letters, 2016, 14(11): 110603

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