Explanipedia

Fiber Optics-Mechanics Coupling Sensor for High-Performance Hydrogen Detection Open

Xuhui Zhang, Xiaotong Li, Xinpu Zhang, Wei Peng · 2025

Since high efficiency and zero-carbon emission, hydrogen, as a clean energy carrier, is potentially an alternative fuel. Unfortunately, hydrogen is a gas with a high diffusion coefficient, wide explosion limit, and low ignition energy. Thu…

FBG-Based UV-Curing Kinetics Analysis by Exothermic Behavior Open

Wen Yan, Zhenhua Bi, Ying Song, Xinpu Zhang · 2025

Since photo-induced polymerization of the ultra-violet (UV)-curing adhesive from a fluid state to a solid state is an exothermic process, the UV curing exothermic behavior can be regarded as a potential evaluation methodology to analyze UV…

High pressure-sensitive and stable fiber Fabry-Perot interferometer with nano-diaphragm assembled by H-O catalysis bonding Open

Xiaotong Li, Xinpu Zhang, Zeliu Li, Yisong Wang, Jiamai Ren , et al. · 2024

Herein, a high pressure-sensitive and stable fiber Fabry-Perot (FP) interferometer with nano-diaphragm assembled by H-O catalysis bonding is proposed and demonstrated. In order to assemble a nano-diaphragm-based fiber FP interferometer by …

Farmland transformation to reduce costs: An empirical analysis of the cost efficiency of agricultural mechanization from the perspective of the level of farmland suitability for agricultural machinery operations based on spatial econometric models Open

Lewei Chen, Zongyi Zhang, Hongbo Li, Xinpu Zhang · 2024

Maintenance Skill Training Gives Agricultural Socialized Service Providers More Advantages Open

Lewei Chen, Zongyi Zhang, Hongbo Li, Xinpu Zhang · 2023

Agricultural machinery maintenance skill training is conducive to improving the fault diagnosis and maintenance levels of agricultural machinery for agricultural socialized service providers and plays an important role in providing stable …

Fiber Optics-Mechanics Coupling Sensor for High-Performance Hydrogen Detection Open

Xuhui Zhang, Xinpu Zhang, Xiaotong Li, Wei Peng · 2023

The Nanophotonic Machinal Cavity and its Hydrogen Sensing Application Open

Xinpu Zhang, Xuhui Zhang, Xiaotong Li, Qiang Liu, Yang Zhang , et al. · 2022

Photothermal-Assisted Hydrogen Permeation Enhancement Open

Xinpu Zhang, Xiaotong Li, Xuhui Zhang, Ang Li, Yang Zhang , et al. · 2022

Frequency splicing code-based Brillouin optical time domain collider for fast dynamic measurement Open

Yin Zhou, Lianshan Yan, Haijun He, Zonglei Li, Heng Qian , et al. · 2021

We propose a frequency splicing code-based Brillouin optical time domain collider (FSC-BOTDC) for fast dynamic sensing. By delicately designing the frequency splicing code (FSC), multiple collision modes with controllable characteristics a…

Brillouin optical time domain collider for fast dynamic sensing Open

Yin Zhou, Lianshan Yan, Haijun He, Zonglei Li, Peng Jiang , et al. · 2020

The dynamic sampling rate of Brillouin optical time domain analysis (BOTDA) is limited by fiber length. For breaking through this limit, a Brillouin optical time domain collider (BOTDC) is proposed and experimentally demonstrated. In this …

Enhanced range of the dynamic strain measurement in phase-sensitive OTDR with tunable sensitivity Open

Haijun He, Lianshan Yan, Heng Qian, Xinpu Zhang, Bin Luo , et al. · 2019

Phase-sensitive optical time domain reflectometry (Φ-OTDR) realizes quantitative measurement of the dynamic strain employing phase demodulation. Unfortunately, it is difficult to measure the large dynamic strain with the conventional Φ-OTD…

Overcoming EDFA slow transient effects in a combined Golay coding and coherent detection BOTDA sensor Open

Can Liu, Lianshan Yan, Zonglei Li, Yin Zhou, Xinpu Zhang , et al. · 2019

Firstly, Erbium-doped fiber amplifier (EDFA) served as pre-amplifier may distort Brillouin gain spectrum (BGS) in coded Brillouin optical time domain analysis sensor. Here, we found that the EDFA has negligible impact on the shape of Brill…

Polarization push-pull effect-based gain fluctuation elimination in Golay-BOTDA Open

Yin Zhou, Lianshan Yan, Zonglei Li, Xinpu Zhang, Wei Pan , et al. · 2019

A Brillouin gain fluctuation elimination scheme based on a hybrid polarization pulling and pushing effect (HPPP) is proposed and experimentally demonstrated in a Golay-coded Brillouin optical time domain analysis (BOTDA) fiber sensor. The …

Light-Induced Waveguide With Directional Transmission Open

Xinpu Zhang, Xihua Zou, Bin Luo, Wei Pan, Lianshan Yan · 2019

Herein, we propose and demonstrate that the light-induced optical polymeric waveguides can function as the fully online optical connectors with directional transmission characteristics. The light-induced optical waveguides, which can be us…

Dual Kretschmann and Otto configuration fiber surface plasmon resonance biosensor Open

Lixia Li, Yuzhang Liang, Jianye Guang, Wenli Cui, Xinpu Zhang , et al. · 2017

We present a dual-resonance fiber surface plasmon resonance (SPR) sensor for biological analysis. The sensing element was fabricated by sequentially sputtering layers of indium tin oxide (ITO) (100 nm thickness) and Au (35 nm thickness) on…

Novel birefringence interrogation for Sagnac loop interferometer sensor with unlimited linear measurement range Open

Haijun He, Liyang Shao, Heng Qian, Xinpu Zhang, Jiawei Liang , et al. · 2017

A novel demodulation method for Sagnac loop interferometer based sensor has been proposed and demonstrated, by unwrapping the phase changes with birefringence interrogation. A temperature sensor based on Sagnac loop interferometer has been…

The Longitudinal Force Measurement of CWR Tracks with Hetero-Cladding FBG Sensors: A Proof of Concept Open

Liyang Shao, Meng Zhang, Kaize Xie, Xinpu Zhang, Ping Wang , et al. · 2016

A new method has been proposed to accurately determine longitudinal additional force in continuous welded rail (CWR) on bridges via hetero-cladding fiber Bragg grating (HC-FBG) sensors. The HC-FBG sensor consists of two FBGs written in the…

Dual-channel fiber surface plasmon resonance biological sensor based on a hybrid interrogation of intensity and wavelength modulation Open

Lixia Li, Xinpu Zhang, Yuzhang Liang, Jianye Guang, Wei Peng · 2016

We investigate an intensity and wavelength modulation combined plasmon resonance-based fiber-optic sensor technology. Composed of gold nanoparticles (GNPs) and sandwich configuration of Au/indium tin oxide (ITO)/Au film, two sensing region…

Optical Fiber Temperature and Torsion Sensor Based on Lyot-Sagnac Interferometer Open

Liyang Shao, Xinpu Zhang, Haijun He, Zhiyong Zhang, Xihua Zou , et al. · 2016

An optical fiber temperature and torsion sensor has been proposed by employing the Lyot-Sagnac interferometer, which was composed by inserting two sections of high-birefringence (HiBi) fiber into the Sagnac loop. The two inserted sections …

High resolution refractive index sensing with dual-wavelength fiber laser Open

Liyang Shao, Jiawei Liang, Xinpu Zhang, Xihua Zou, Bin Luo , et al. · 2016

A novel refractive index (RI) sensor has been demonstrated based on a simple dual-wavelength fiber ring laser by incorporating two fiber Bragg grating (FBG) filters. The grating filters are made of two FBGs with different cladding thicknes…

Temperature-independent fiber salinity sensor based on Fabry-Perot interference Open

Xinpu Zhang, Wei Peng · 2015

We present a novel fiber Fabry-Perot (FP) interference salinity sensor based on polyimide (PI) diaphragm. With an increase in water salinity, the PI diaphragm shrinks, and the PI diaphragm constriction causes the increase of the width of t…

Bent-fiber intermodal interference based dual-channel fiber optic refractometer Open

Xinpu Zhang, Wei Peng · 2015

We present a novel dual-channel fiber optic interferometer based on intermodal interference from single-mode fiber (SMF) bending. This dual-channel interferometer has simple structure, consisting of two bare fiber semicircular bending regi…

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