A Tunable High-Sensitivity Refractive Index of Analyte Biosensor Based on Metal-Nanoscale Covered Photonic Crystal Fiber With Surface Plasmon Resonance

Zhang, Fan

doi:10.1109/jphot.2019.2915235

Cited by 17 publications

(5 citation statements)

References 32 publications

(25 reference statements)

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“…The refractive index sensor has many important applications, such as the quality control of chemical industries, monitoring biochemical reactions, the prevention of global warming, etc. [1,2,3,4,5,6,7]. The most famous refractive index sensor is the Abbe refractometer, which measures the surrounding refractive index (SRI) according to the total internal reflection [8].…”

Section: Introductionmentioning

confidence: 99%

Temperature Self-Compensated Refractive Index Sensor Based on Fiber Bragg Grating and the Ellipsoid Structure

Yan

Sun

Luo

et al. 2019

Sensors

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In this paper, a temperature self-compensated refractive index sensor based on fiber Bragg grating (FBG) and the ellipsoid structure is demonstrated. The ellipsoid can excite the cladding modes and recouple them into the fiber core. Two well-defined wavelength bands are observed in the reflection spectrum of the proposed sensor, i.e., the Bragg resonant peak and the cladding resonant peaks. By measuring the wavelength shift of the cladding resonant peak, the surrounding refractive index (SRI) can be determined, and the wavelength shift of the Bragg resonant peak can be used as a reliable reference to self-compensate the temperature variation (temperature sensitivity of 10.76 pm/°C). When the SRI changes from 1.3352 to 1.3722, the cladding resonant peak redshifts linearly with an average sensitivity of 352.6 pm/RIU (refractive index unit). When the SRI changes from 1.3722 to 1.4426, an exponential redshift is observed with a maximum sensitivity of 4182.2 pm/RIU. Especially, the sensing performance is not very reliant on the distance between the FBG and the ellipsoid, greatly improving the ease of the fabrication.

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Section: Introductionmentioning

confidence: 99%

Temperature Self-Compensated Refractive Index Sensor Based on Fiber Bragg Grating and the Ellipsoid Structure

Yan

Sun

Luo

et al. 2019

Sensors

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“…The fabrication process of the microstructure-based PCF sensor is more complex compared to the conventional optical fiber. Some fabrication methods like wheel polishing method (WPM) [ 45 ], sol–gel [ 46 ], chemical vapor deposition (CVD) [ 47 ], atomic layer deposition (ALD) [ 48 ], stack-and-drilling, stack-and-draw [ 49 , 50 ], 3D printing, injection modeling, capillary stacking, and extrusion techniques [ 51 ] are very well known. Applying the drilling technique, a computer-controlled mill has been used to drill air holes in the solid rode and solid tube, and draws them to the inner and outer air structure fibers, respectively [ 52 ].…”

Section: Fabrication Possibility and Application Areamentioning

confidence: 99%

Highly Sensitive Twin Resonance Coupling Refractive Index Sensor Based on Gold- and MgF2-Coated Nano Metal Films

et al. 2021

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A plasmonic material-coated circular-shaped photonic crystal fiber (C-PCF) sensor based on surface plasmon resonance (SPR) is proposed to explore the optical guiding performance of the refractive index (RI) sensing at 1.7–3.7 μm. A twin resonance coupling profile is observed by selectively infiltrating liquid using finite element method (FEM). A nano-ring gold layer with a magnesium fluoride (MgF2) coating and fused silica are used as plasmonic and base material, respectively, that help to achieve maximum sensing performance. RI analytes are highly sensitive to SPR and are injected into the outmost air holes of the cladding. The highest sensitivity of 27,958.49 nm/RIU, birefringence of 3.9 ×10−4, resolution of 3.70094 ×10−5 RIU, and transmittance dip of −34 dB are achieved. The proposed work is a purely numerical simulation with proper optimization. The value of optimization has been referred to with an experimental tolerance value, but at the same time it has been ensured that it is not fabricated and tested. In summary, the explored C-PCF can widely be eligible for RI-based sensing applications for its excellent performance, which makes it a solid candidate for next generation biosensing applications.

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“…The shape of Fano resonance is caused by interference in the scattering amplitude of the discrete narrow-band mode and successive wide-band mode. Due to the rapidly changing amplitude and phase, Fano resonance has a narrower full width at half maximum (FWHM) [ 16 ]. Because of the unique linear shape of Fano resonance, the smaller FWHM has the higher electromagnetic field binding ability, which is widely used to characterize the resolution of the instrument.…”

Section: Introductionmentioning

confidence: 99%

Refractive Index Sensor Based on a Metal-Insulator-Metal Bus Waveguide Coupled with a U-Shaped Ring Resonator

Yan

2022

Micromachines

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In this study, a novel refractive index sensor structure was designed consisting of a metal–insulator–metal (MIM) waveguide with two rectangular baffles and a U-Shaped Ring Resonator (USRR). The finite element method was used to theoretically investigate the sensor’s transmission characteristics. The simulation results show that Fano resonance is a sharp asymmetric resonance generated by the interaction between the discrete narrow-band mode and the successive wide-band mode. Next, the formation of broadband and narrowband is further studied, and finally the key factors affecting the performance of the sensor are obtained. The best sensitivity of this refractive-index sensor is 2020 nm/RIU and the figure of merit (FOM) is 53.16. The presented sensor has the potential to be useful in nanophotonic sensing applications.

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A Tunable High-Sensitivity Refractive Index of Analyte Biosensor Based on Metal-Nanoscale Covered Photonic Crystal Fiber With Surface Plasmon Resonance

Cited by 17 publications

References 32 publications

Temperature Self-Compensated Refractive Index Sensor Based on Fiber Bragg Grating and the Ellipsoid Structure

Temperature Self-Compensated Refractive Index Sensor Based on Fiber Bragg Grating and the Ellipsoid Structure

Highly Sensitive Twin Resonance Coupling Refractive Index Sensor Based on Gold- and MgF2-Coated Nano Metal Films

Refractive Index Sensor Based on a Metal-Insulator-Metal Bus Waveguide Coupled with a U-Shaped Ring Resonator

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