To solve the phase matching and analyte filling problems in microstructured optical fiber (MOF)-based surface plasmon resonance (SPR) sensors, we present D-shaped hollow core MOF-based SPR sensor. The air hole can lower refractive index of a Gaussian-like mode to match with that mode. is deposited directly onto flat instead holes. We numerically investigate effect on sensing performance, identify sensor sensitivity wavelength, amplitude phase. This work allows us determine feasibility using...

We propose a temperature sensor design based on surface plasmon resonances (SPRs) supported by filling the holes of six-hole photonic crystal fiber (PCF) with silver nanowire. A liquid mixture (ethanol and chloroform) large thermo-optic coefficient is filled into PCF as sensing medium. The nanowires can support resonance peaks peak will shift when variations induce changes in refractive indices mixture. By measuring shift, change be detected. extremely sensitive to because index close that...

An H-shaped photonic crystal fiber (PCF)-based surface plasmon resonance (SPR) sensor is proposed for detecting large refractive index (RI) range which can either be higher or lower than the RI of material used. The grooves PCF as sensing channels are coated with gold film and then brought into direct contact analyte, not only reduces complexity fabrication but also provides reusable capacity compared other designs. performance investigated by using finite element method. Numerical results...

A unique surface plasmon resonance (SPR) sensor based on photonic crystal fiber (PCF) is proposed in this paper, which consists of a D-shaped profile where gold film coated its flat and laterally accessible hollow core the analyte infiltrated. The spectral sensitivity amplitude are investigated by finite element method when it completely partly immersed into solution. Simulation results indicate that can detect refractive index higher than PCF background, shows portion analyte. In way,...

A surface plasmon resonance sensor is proposed to simultaneously realize the refractive index (RI) and temperature sensing in an exposed-core microstructured optical fiber. Two orthogonal channels coated with silver layers are designed distinguish variations of analyte RI temperature. The exposed section fiber as channel supports a y-polarized peak. orthogonally arranged hole filled large thermooptic coefficient liquid that x-polarized two polarized peaks can be shifted independently. By...

To avoid coating and filling into the fiber holes, facilitate phase-matching eliminate cross-sensitivity problems, we propose a surface plasmon resonance sensor based on fan-shaped microstructured optical (MOF) for simultaneous sensing of temperature refractive index (RI). The structure is fabricated by polishing two sides MOF with an angle 120°. One side coated gold film polydimethylsiloxane layer sensing, other only RI sensing. can support peaks polarized directions at 120°, which are...

We propose a surface plasmon resonance (SPR) sensor based on the exposed-core microstructured optical fiber (EC-MOF) placed with silver wire. The exposed section of EC-MOF as microfluidic channel is wire to avoid metal coating and then deposited analyte avert filling. proposed SPR can support two polarized peaks (x-polarized y-polarized) caused by theoretically investigate sensitivities both in wavelength amplitude interrogation methods analyze influences location sensing performances....

We propose a large detection range surface plasmon resonance (SPR) sensor based on hollow-core photonic crystal fiber in this paper. The consists of an analyte channel the core hole and silver nanowire cladding holes. investigate properties between modes polariton (SPP) excited refractive index (RI) from 1.33 to 1.5. Numerical results show that mode higher order SPP can occur at particular wavelengths, thus exciting peaks shift short wavelengths as RI increases. By tracking most sensitive...

We propose a refractive index (RI) and temperature sensor design based on hybrid mechanisms in D-shaped all-solid photonic crystal fiber. The flat surface is coated with silver film to construct plasmon resonance for the RI sensing, while single hole structure filled benzene form directional coupling sensing. With strong between core mode modes, maximum sensitivities of are as high 12900 nm/RIU 23.85 nm/°C. Since two designs used, this can avoid need metal coating fiber holes use sensing medium

Efficient inorganic perovskite light-emitting devices (PeLEDs) with a vacuum-deposited CsPbBr3 emission layer were realized by introducing an ultrathin 2-phenylethanamine bromide interlayer. The PEA+ cations not only passivated the nonradiative defects terminating on surface but also regulated charge transport to balance hole and electron transport. Consequently, PeLEDs exhibit significantly promoted performance turn-on voltage of 3 V, maximum current efficiency 14.64 cd A-1, external...

We demonstrate a temperature sensor based on surface plasmon resonances supported by six-hole microstructured optical fiber (MOF). The air holes of the MOF are coated with silver layer and filled large thermo-optic coefficient liquid mixture (ethanol chloroform). use all six their relatively size should facilitate coating filling mixture. Temperature variations will induce changes coupling efficiencies between core-guided mode plasmonic mode, thus leading to different loss spectra that be...

A surface plasmon resonance (SPR) sensor based on a hollow fiber (HF) is proposed to realize high analyte refractive index (RI) detection. The hole in the HF as microfluidic channel for filled with silver wire replace metal coating. sensitivity of SPR RI from 1.47 1.51 theoretically investigated both wavelength and amplitude interrogation methods. results show that can support two disparate peaks, orthogonal polarizations (x-and y-polarized peaks), peak higher than x-polarized peak....

An opening up dual-core microstructured optical fiber based surface plasmon resonance sensor is numerically investigated for the measurement of a broad refractive index (RI) range. open sensing channel designed to facilitate gold coating and accelerate analyte infiltration. Results indicate that sensitivity curve shows nearly linear feature in two parts, maximal 4900 nm/RIU when RI close background material fiber. Moreover, sensitivities low range signal noise ratio can be improved by...

A surface plasmon resonance temperature sensor based on a side opening hollow-core microstructured optical fiber is proposed in this paper. This design employs gold nanowire to excite the mode, and can be easily filled with sensing medium through of fiber, which not only simplifies fabrication but also use high refractive index medium. The coupling characteristics, performance tolerance are analyzed by using finite element method. simulation results indicate that maximum sensitivity 3.21...

In this paper, a reflective photonic crystal fiber (PCF) sensor probe for temperature measurement has been demonstrated both theoretically and experimentally. The performance of the device depends on intensity modulation optical signal by liquid mixtures infiltrated into air holes commercial LMA-8 PCFs. effective mode field area confinement loss are proved highly temperature-dependent based finite element method (FEM). experimental results show that reflected power exhibits linear response...

We propose an air-silica core microstructured optical fiber-based surface plasmon resonance (SPR) sensor to simultaneously measure temperature and refractive index (RI). The sensing channel is formed by coating the outside of fiber with a gold film polydimethylsiloxane (PDMS) layer as medium, then being immersed into liquid analyte. mode can penetrate through PDMS analyte, therefore both analyte RI changings lead variations SPR spectra that will be measured. Our numerical results demonstrate...

A surface plasmon resonance (SPR) sensor based on exposed‐core microstructured optical fibres (EC‐MOFs) is presented and numerically characterised. The exposed section (analyte channel) of the EC‐MOF coated with a SPR supporting thin film gold. asymmetrically fibre can support two separate peaks, orthogonal polarisations ( x ‐ y ‐polarised peaks). Although sensitivity both polarised peaks very similar, narrower linewidth peak provides much enhanced signal‐to‐noise ratio. sensing performance...

Physical vapor deposition has emerged as a promising strategy for efficient and stable all-inorganic perovskite light-emitting devices (PeLEDs). However, the thermally evaporated PeLEDs still suffer from unsatisfactory optoelectrical performance because of massive nonradiative defects. Herein, we demonstrate an bilateral interfacial defect-passivation toward high-performance with deposited CsPbBr3 emissive layer (EML). Specifically, defects bulk well EML/charge transport (CTL) interface are...

Perovskite light-emitting devices (PeLEDs) have drawn a great deal of attention because their exceptional optical and electrical properties. However, as for the blue PeLEDs based on low-dimensional (LD) CsPbBr3, low conductivity widely used organic spacers well difficulty forming pure uniform LD CsPbBr3 phase severely inhibited device performance such stability efficiency. In this work, we report an effective strategy to obtain high-quality by using novel spacer inorganic Cs4PbBr6 instead...