Chinese Optics, Volume. 15, Issue 1, 101(2022)
High-sensitivity surface plasmon resonance sensor based on the ten-fold eccentric core quasi-D-shaped photonic quasi-crystal fiber coated with indium tin oxide
Fig. 2. Loss spectra of the core modes and dispersion relation between the
Fig. 3. Mode field diagrams for the analyte RI of 1.39. (a)
Fig. 4. (a) Loss spectra as the analyte RIs vary from 1.35 to 1.4; (b) the resonance wavelength and the wavelength sensitivity versus the refractive index of the analyte; (c) amplitude sensitivity curves of the sensor for analyte RIs between 1.35 and 1.395
Fig. 5. (a) Loss spectra of the samples with different ITO thicknesses and (b) wavelength sensitivity varying with ITO thickness
Fig. 6. (a) Loss spectra for different ITO lengths for refractive indexes of 1.395 and 1.4; (b) resonance wavelength varying with ITO length
Fig. 7. (a), (b) Loss spectra for different air hole spacing and analyte refractive indices of 1.395 and 1.4; (c) peak loss and resonant wavelength for different
Fig. 8. (a) Loss spectra for different air hole diameters
Table 1. Sensing performance of the sensor for different analyte RIs
View tableView in ArticleTable 1. Sensing performance of the sensor for different analyte RIs
Analyte RI Peak wavelength (nm) Res. peak shift (nm) Wavelength sensitivity (nm/RIU) Amp. sens. (RIU−1) Wavelength resolution (RIU) Amplitude resolution (RIU) 1.35 1760 30 6000 102.424 1.67×10−5 9.76×10−5 1.355 1790 30 6000 110.834 1.37×10−5 9.02×10−5 1.36 1820 40 8000 127.385 1.25×10−5 7.85×10−5 1.365 1860 50 10000 143.603 1.00×10−5 6.96×10−5 1.37 1910 50 10000 168.544 1.00×10−5 5.93×10−5 1.375 1960 60 12000 200.191 8.33×10−6 5.41×10−5 1.38 2020 80 16000 248.501 6.25×10−6 4.02×10−5 1.385 2100 100 20000 329.573 5.00×10−6 3.03×10−5 1.39 2200 150 30000 516.343 3.33×10−6 1.93×10−5 1.395 2350 300 60000 594.241 1.67×10−6 1.68×10−5 1.4 2650 N/A N/A N/A N/A N/A
Table 2. Comparison of the performance of the sensor in this paper and those proposed in the recent literatures
View tableView in ArticleTable 2. Comparison of the performance of the sensor in this paper and those proposed in the recent literatures
Refs. Structure RI Range Operation wave. range (nm) Wave. res. (RIU) Max. wave. sens. (nm/RIU) [ 19 ]D-shaped ITO-coated PQF 1.26~1.38 1380~2260 2.86×10−6 RIU 35000 nm/RIU [ 21 ]D-shaped ITO-coated PCF 1.22~1.33 1200~2250 6.67×10−6 RIU 15000 nm/RIU [ 39 ]Double groove with Ag and Au 1.22~1.36 1470~2154 8.68×10−6 RIU 12400 nm/RIU [ 34 ]Eccentric core ITO-coated PQF 1.33~1.39 1480~2008 4.739×10−6 RIU 21000 nm/RIU [ 42 ]Dual core ITO, graphene-coated 1.37~1.40 1570~1980 − 15000 nm/RIU [ 41 ]Arc groove PCF-SPR 1.22~1.37 1650~2730 1.96×10−6 RIU 51000 nm/RIU [ 40 ]Graphene D-shaped PCF-SPR 1.33~1.38 1880~2140 9.35×10−6 RIU 10694 nm/RIU This work D-shaped eccentric core PQF 1.35~1.40 1760~2650 1.67×10−6 RIU 60000 nm/RIU
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Qiang LIU, Yu JIANG, Chun-jie HU, Wen-shu LU, Yu-dan SUN, Chao LIU, Jing-wei LV, Jin ZHAO, Sheng-nan TAI, Zao YI, K Chu Paul. High-sensitivity surface plasmon resonance sensor based on the ten-fold eccentric core quasi-D-shaped photonic quasi-crystal fiber coated with indium tin oxide[J]. Chinese Optics, 2022, 15(1): 101
Category: Original Article
Received: Jul. 6, 2021
Accepted: --
Published Online: Jul. 27, 2022
The Author Email: Chao LIU (msm-liu@126.com)
