A Surface Plasmon Resonance Temperature Sensing Unit Based on a Graphene Oxide Composite Photonic Crystal Fiber

Han, Liang; Shen, Tao; Feng, Ying; Xia, Zhentao; Liu, Hongchen

doi:10.1109/jphot.2020.2987809

Cited by 16 publications

(4 citation statements)

References 29 publications

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“…The resolution (R) is defined as 19 R(°C)=ΔT·ΔλminΔλpeak,where Δλpeak denotes the resonance wavelength shift, Δλmin=0.1 nm stands for the wavelength resolution, and ΔT represents for the temperature variation.…”

Section: Design Of the Gold Wires-filled Hc-ncf Sensor And Theorymentioning

confidence: 99%

Hollow-core negative curvature fiber with high birefringence for temperature sensing based on surface plasmon resonance effect

Wang

Yuan

et al. 2022

Opt. Eng.

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.A hollow-core negative curvature fiber (HC-NCF) with high birefringence for temperature sensing based on surface plasmon resonance effect is proposed. For the HC-NCF, the cladding layer is composed of six silica tubes, and the thickness and radius of the two silica tubes in the y-axis direction are different from those of other ones. Moreover, the two silica tubes in the y-axis direction are filled with the gold wires, and the ethanol to be tested is filled in other silica tubes and air area. As the temperature changes, the coupling state between the x-pol core mode and surface plasmon polarization mode will change. The temperature sensitivity can be up to 3.1 nm / ° C in the range of 20°C to 40°C. Moreover, the proposed HC-NCF temperature sensor simultaneously achieves the maximum R of 3.333 × 10 − 2 ° C and maximum FOM of 269 ° C − 1, which indicates that it has high sensitivity, good linearity, high R, and large FOM. The proposed HC-NCF temperature sensor is expected to be useful in the field of the environmental monitoring.

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Section: Design Of the Gold Wires-filled Hc-ncf Sensor And Theorymentioning

confidence: 99%

Hollow-core negative curvature fiber with high birefringence for temperature sensing based on surface plasmon resonance effect

Wang

Yuan

et al. 2022

Opt. Eng.

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“…7,8 The use of fiber optic sensing for temperature sensing has become an irresistible trend. [9][10][11][12] Therefore, exploring the high sensitivity of temperature sensing is particularly essential. Luo et al 13 proposed a temperature-sensing scheme by using a microwave photonic filter based on an actively modelocked fiber laser and experimentally demonstrated it.…”

Section: Introductionmentioning

confidence: 99%

“…As a fundamental physical parameter in various fields, temperature is a hot spot in recent contemporary research 7,8 . The use of fiber optic sensing for temperature sensing has become an irresistible trend 9–12 . Therefore, exploring the high sensitivity of temperature sensing is particularly essential.…”

Section: Introductionmentioning

confidence: 99%

Temperature sensor based on micro‐nano fiber coated with ZnO composite graphene

Song

Shao

Zheng

et al. 2022

Micro & Optical Tech Letters

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A simple temperature sensor based on ZnO composite graphene is demonstrated. With the temperature changes, the electron mobility of ZnO composite graphene changes accordingly, which leads to an effective change in the refractive index of ZnO composite graphene. Experimental results show that micro-nano fiber coated with spherical ZnO composite graphene exhibits a higher sensitivity of 0.018 dB/°C in the temperature range of 25-60°C.Overall, the results verify the effectiveness of the proposed temperature sensor in accurate temperature measurement and offer a new, unique, and convenient direction for temperature sensing.

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“…Assisted by Surface Plasmon Resonance (SPR) techniques, such configuration can achieve supremely high sensibility to refractive index change caused by gas or liquid molecules [20][21][22][23][24] . Two-dimensional materials are found to be excellent candidate as coating materials due to their high specific surface area, which guarantees a large sensing response and, at the same time, minimizes any side effects by suppressing the propagating mode of optical fibers [25][26][27][28][29] . However, due to the obstacle from optical fiber engineering and device fabrication, the abovementioned functional 2D sensors are still limited to sample-scale fabrication and face the bottleneck of mass-production.…”

Section: Introductionmentioning

confidence: 99%

Graphene Photonic Crystal Fiber-Based Fluid Sensor Toward Distributed Environmental Monitoring

Shang¹,

Cheng²,

Shen³

et al. 2021

Acta Physico Chimica Sinica

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Compared to traditional sensor device arrays, optical fiber systems capable of wide-range detection are gradually emerging as strong candidates for distributed monitoring owing to their simplified structure. However, the working mechanism of optical fiber sensors limits their use to the detection of physical parameters such as refractive index and is an obstacle for the detection of small doses of molecules by optical fiber systems. Several researchers have focused on this aspect to endow sensitivity to these optical fibers for gas or liquid molecules. By deliberately destroying the fiber structure, strong interactions between the evanescent field of optical fibers and the target materials, such as microfibers, D-shaped fiber, etc. can be achieved. Assisted by the surface plasmon resonance techniques, such configurations can exhibit highly enhanced sensitivity to a change in the refractive index caused by gas or liquid molecules. Two-dimensional materials are an excellent candidate as coating materials due to their high specific surface area, which also guarantees a large sensing response and simultaneously minimizes any side effects by suppressing the propagating mode of optical fibers. However, owing to the obstacles in optical fiber engineering and device fabrication, the abovementioned functional 2D sensors are still limited to sample-scale fabrication, and their mass-production has not yet been realized. An all-fiber distributed sensing system with high single-spot sensitivity is still difficult to fabricate. Here, we propose a new configuration of a grid-distributed environmental optical fiber sensing by introducing low-pressure chemical vapor deposition (LPCVD)grown graphene photonic crystal fiber (PCF) into the optical fiber sensing system. We successfully synthesized monolayer and/or bilayer graphene in the air holes of PCF. By fusing the graphene PCF (Gr-PCF) to a single mode optical fiber, we fabricated an all-optical-fiber sensing system. Preliminary experiments suggest that Gr-PCF can selectively detect NO2 gas at ppb-level and exhibit ionic sensitivity in liquids. The ability to detect NO2 gas is attributed to the graphene layer's interaction among light-mode and adsorbed molecules: adsorption-induced additional hole-doping caused a shift in the Fermi level of graphene and eventually modulated its light absorption, leading to changes in the light intensity signals. We believe that the sensor can be extended to other kinds of gases and liquids, considering the affinity of graphene toward various molecules. In view of practical optical sensors, our design is compatible with the time domain or wavelength domain multiplexing techniques of optical fiber communication systems. Because CVD-based synthesis can be used to realize

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A Surface Plasmon Resonance Temperature Sensing Unit Based on a Graphene Oxide Composite Photonic Crystal Fiber

Cited by 16 publications

References 29 publications

Hollow-core negative curvature fiber with high birefringence for temperature sensing based on surface plasmon resonance effect

Hollow-core negative curvature fiber with high birefringence for temperature sensing based on surface plasmon resonance effect

Temperature sensor based on micro‐nano fiber coated with ZnO composite graphene

Graphene Photonic Crystal Fiber-Based Fluid Sensor Toward Distributed Environmental Monitoring

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