Lingling Ran
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View article: The Implementation Path of Rural Solid Waste Recycling under the Background of Rural Revitalization
The Implementation Path of Rural Solid Waste Recycling under the Background of Rural Revitalization Open
With the acceleration of urbanization, the amount of solid waste in rural areas continues to increase, bringing serious pollution problems to the environment. Therefore, the resource utilization of rural solid waste has become one of the i…
View article: Fiber-Optic Axial-Strain Sensor with Sensitivity Enhancement and Temperature Compensation
Fiber-Optic Axial-Strain Sensor with Sensitivity Enhancement and Temperature Compensation Open
In this paper, we report a tapered thin-core fiber based in-line Mach-Zehnder interferometer to improve the response of axial-strain. With the varied diameters of taper waist, the light field distributions are studied by beam propagation m…
View article: Tunable Dual-Broadband Terahertz Absorber with Vanadium Dioxide Metamaterial
Tunable Dual-Broadband Terahertz Absorber with Vanadium Dioxide Metamaterial Open
A dual broadband terahertz bifunction absorber that can be actively tuned is proposed. The optical properties of the absorber were simulated and numerically calculated using the finite-difference time-domain (FDTD) method. The results show…
View article: Tunable Triple Plasmonically Induced Transparency in Triangular Cavities Coupled with an MDM Waveguide
Tunable Triple Plasmonically Induced Transparency in Triangular Cavities Coupled with an MDM Waveguide Open
In this paper, a side-coupled triangle cavity in a plasmonic waveguide structure is proposed and numerically analyzed by the finite-difference time-domain (FDTD) method and coupled mode theory (CMT). Triple plasmonically induced transparen…
View article: Tapered-open-cavity-based in-line Mach–Zehnder interferometer for highly sensitive axial-strain measurement
Tapered-open-cavity-based in-line Mach–Zehnder interferometer for highly sensitive axial-strain measurement Open
An in-line Mach-Zehnder interferometer based on a multimode-fiber-assisted tapered open-cavity (TOC) is proposed. Light field distributions of the TOC were investigated using beam propagation method with different offsets and diameters of …
View article: High Sensitivity Fiber Gas Pressure Sensor with Two Separated Fabry–Pérot Interferometers Based on the Vernier Effect
High Sensitivity Fiber Gas Pressure Sensor with Two Separated Fabry–Pérot Interferometers Based on the Vernier Effect Open
A high sensitivity optical fiber gas pressure sensor based on paralleled Fabry–Pérot interferometers (FPIs) was demonstrated. One micro-cavity FPI is used as a reference FPI (FPI-1) to generate a Vernier effect and the other FPI (FPI-2) is…
View article: Ultra-Sensitive Intensity Modulated Strain Sensor by Tapered Thin-Core Fiber Based Modal Interferometer
Ultra-Sensitive Intensity Modulated Strain Sensor by Tapered Thin-Core Fiber Based Modal Interferometer Open
In this paper, to enhance practicality, a novel tapered thin-core fiber (t-TCF) based modal interferometer is proposed and demonstrated experimentally. The light field distribution of t-TCF structure is investigated by a beam propagation m…
View article: Ultra-Sensitive Fiber Refractive Index Sensor with Intensity Modulation and Self-Temperature Compensation
Ultra-Sensitive Fiber Refractive Index Sensor with Intensity Modulation and Self-Temperature Compensation Open
In this paper, a novel in-line modal interferometer for refractive index (RI) sensing is proposed and experimentally fabricated by cascading single-taper and multimode-double- cladding-multimode (MDM) fiber structure. Owing to evanescent f…
View article: Ultrafast optical properties of type-II CdZnS/ZnSe core-shell quantum dots
Ultrafast optical properties of type-II CdZnS/ZnSe core-shell quantum dots Open
In this study, the ultrafast optical properties of type-II CdZnS/ZnSe core-shell quantum dots were investigated using the Z-scan and transient absorption technique with femtosecond pulses. With 800-nm wavelength excitation, the CdZnS/ZnSe …
View article: Circular polarization analyzer based on an Archimedean nano-pinholes array
Circular polarization analyzer based on an Archimedean nano-pinholes array Open
A relative broadband circular polarization analyzer based on a single-turn Archimedean nano-pinholes array has been proposed and investigated systematically from visible spectrum to near infrared region. The spiral arrangement of circular …