Highly amplitude-sensitive photonic-crystal-fiber-based plasmonic sensor

Haider, Firoz; Aoni, Rifat Ahmmed; Ahmed, Rajib; Miroshnichenko, Andrey E.

doi:10.1364/josab.35.002816

Cited by 89 publications

(17 citation statements)

References 25 publications

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“…It can be seen that with the increase of the analyte RI, the resonance spectrum shifts to a longer wavelength direction, and the amplitude of the loss spectrum increases gradually. This is because that the increase of the analyte RI reduces the refractive index contrast between the core and the SPP mode [ 39 ], and enhances the evanescent field, resulting in stronger coupling. At the same time, larger analyte RI can increase the real part of the effective refractive index of the SPP mode, while that of the core mode remains unchanged, resulting in the phase matching point moving to a longer wavelength.…”

Section: Results Analysis and Discussionmentioning

confidence: 99%

“…The results show that, compared with a single PCF, the directional power coupling between two PCFs significantly improves the performance of the sensor. Haider et al [ 39 ] proposed a highly amplitude-sensitive PCF sensor. The proposed sensor exhibits the maximum wavelength sensitivity of 18,000 nm/RIU with the sensor resolution of 5.6 × 10 −6 RIU.…”

Section: Results Analysis and Discussionmentioning

confidence: 99%

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A D-Shaped Photonic Crystal Fiber Refractive Index Sensor Coated with Graphene and Zinc Oxide

Han

Shen

Feng

et al. 2020

Sensors

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A surface plasmon resonance (SPR) sensor based on a D-shaped photonic crystal fiber (PCF) with an uncomplicated structure is proposed to detect the change of refractive index of liquid analytes, and numerical simulation is carried out by the finite element method (FEM). Using silver as the plasmonic metal, the performances of the SPR-PCF sensor coated with a graphene layer and zinc oxide (ZnO) layer were assessed. The sensor designed is only coated with material on the polished surface, which makes the sensor production uncomplicated and solves the problems of filling material in the hole and coating on the hole wall. The effects of structural parameters such as graphene layer thickness, silver layer thickness, ZnO thickness, lattice spacing and manufacturing tolerance of blowhole diameter on the sensor performance were numerically simulated. The numerical results show that the sensitivity of the SPR-PCF sensor coated with 25 nm ZnO is highest in the ZnO thickness range from 10 to 25 nm. In the refractive index range of 1.37–1.41 for liquid analyte, the maximum sensitivity and corresponding resolution reach 6000 nm/RIU and 1.667 × 10−5, respectively. In addition, the sensor has good stability and high structural tolerance under the tolerance of ±5% of blowhole diameter. This work has wide application value in the detection of biochemical analytes, water pollution monitoring, food quality, and medical diagnosis.

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Section: Results Analysis and Discussionmentioning

confidence: 99%

Section: Results Analysis and Discussionmentioning

confidence: 99%

A D-Shaped Photonic Crystal Fiber Refractive Index Sensor Coated with Graphene and Zinc Oxide

Han

Shen

Feng

et al. 2020

Sensors

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“…As shown in Figure 5 a, we use the working wavelengths in the range from

nm to

nm, whilst the corresponding refractive index for the analyte medium was taken in the range from

. The sensing performance, in the wavelength interrogation method, is calculated by [ 25 ]

where

is the wavelength shift of the peak in

associated to a change

in the refractive index of the analyte medium. An important parameter to determine the reliability of sensor measurements is the sensing resolution, defined as

where

is the analyte refractive index change,

min is the lower spectral resolution and

max is the higher resonant wavelength shift analyzed.…”

Section: Resultsmentioning

confidence: 99%

“…The cross-section of these SPR-PCFs are usually made by periodic arranges of air holes, some of which are filled or coated with metallic components, surrounding one or more cores (where light is confined). The SPR excitation is thus reached in PCFs through the phase-matching between the core-mode and the surface plasmon mode, i.e., when both modes have the same effective refractive indices [ 21 , 22 , 23 , 24 , 25 , 26 , 27 , 28 , 29 , 30 , 31 , 32 , 33 ]. In spite of the extensive research efforts on plasmonic PCFs, the narrow frequency range for SPR excitation constitutes a major hurdle for practical applications in, for example, sensors and multiband polarization beam splitters and filters [ 16 , 17 , 30 , 32 ].…”

Section: Introductionmentioning

confidence: 99%

Surface Plasmon Resonances in Sierpinski-Like Photonic Crystal Fibers: Polarization Filters and Sensing Applications

Carvalho

Mejía‐Salazar

2020

Molecules

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We investigate the plasmonic behavior of a fractal photonic crystal fiber, with Sierpinski-like circular cross-section, and its potential applications for refractive index sensing and multiband polarization filters. Numerical results were obtained using the finite element method through the commercial software COMSOL Multiphysics®. A set of 34 surface plasmon resonances was identified in the wavelength range from λ=630 nm to λ=1700 nm. Subsets of close resonances were noted as a consequence of similar symmetries of the surface plasmon resonance (SPR) modes. Polarization filtering capabilities are numerically shown in the telecommunication windows from the O-band to the L-band. In the case of refractive index sensing, we used the wavelength interrogation method in the wavelength range from λ=670 nm to λ=790 nm, where the system exhibited a sensitivity of S(λ)=1951.43 nm/RIU (refractive index unit). Due to the broadband capabilities of our concept, we expect that it will be useful to develop future ultra-wide band optical communication infrastructures, which are urgent to meet the ever-increasing demand for bandwidth-hungry devices.

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“…In addition, we determine the sensing performances, such as

and

of the proposed sensors by using the following relations [ 30 ]:

where

and

are the

and loss peak wavelength difference. The sensing performances of the proposed sensors i.e., Schemes A, B, and C are tabulated in Table 1 .…”

Section: Analysis Of Sensitivity and Linearitymentioning

confidence: 99%

Highly Sensitive Localized Surface Plasmon Polariton Based D-Type Twin-Hole Photonic Crystal Fiber Microbiosensor: Enhanced Scheme for SERS Reinforcement

Gandhi

Senthilnathan

Babu

et al. 2020

Sensors

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The emerging development of sensing technology initiates innovative sensors achieving low-cost to facilitate practical realization. An interesting crush of the work is to propose a simple structural sensor and to analyze the different schemes of the metal coating by stimulated emission of Raman scattering (SERS) intensification. For the first time, we propose a simple geometrical photonic crystal fiber refractive index based sensor (PCF-RIBS) with three different Schemes A, B, and C, i.e., gold (A) layer-coated surface plasmon resonance (SPR) based D-type PCF-RIBS; Au with titanium-di-oxide (TiO2) layer-coated SPR D-type PCF-RIBS; and Au + TiO2 grating-coated localized surface plasmon resonance (LSPR) D-type PCF-RIBS. Characterizing the three different Schemes A, B, and C using finite element method simulation shows, a maximum wavelength sensitivity of 48,000 nm/RIU, 52,000 nm/RIU and 75,000 nm/RIU, respectively, for a wide range of analyte-refractive index from 1.33 to 1.45 and operates in the wavelength range from 500–2000 nm. Of all the Schemes, Scheme C is found to excite a relatively larger number of surface-plasmons. Eventually, it exhibits improved sensing performances compared to SPR based Schemes A and B. Consequently, it would turn out to be an appropriate candidate to detect a broad range of biological and chemical sample detection.

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Highly amplitude-sensitive photonic-crystal-fiber-based plasmonic sensor

Cited by 89 publications

References 25 publications

A D-Shaped Photonic Crystal Fiber Refractive Index Sensor Coated with Graphene and Zinc Oxide

A D-Shaped Photonic Crystal Fiber Refractive Index Sensor Coated with Graphene and Zinc Oxide

Surface Plasmon Resonances in Sierpinski-Like Photonic Crystal Fibers: Polarization Filters and Sensing Applications

Highly Sensitive Localized Surface Plasmon Polariton Based D-Type Twin-Hole Photonic Crystal Fiber Microbiosensor: Enhanced Scheme for SERS Reinforcement

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