Yijun Xie

ORCID: 0000-0002-6131-2142
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About
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Research Areas
  • Terahertz technology and applications
  • Radiation Detection and Scintillator Technologies
  • Photonic and Optical Devices
  • Spectroscopy and Laser Applications
  • Atomic and Subatomic Physics Research
  • Luminescence Properties of Advanced Materials
  • Magnetic and transport properties of perovskites and related materials
  • Ferroelectric and Piezoelectric Materials
  • Particle Detector Development and Performance
  • Multiferroics and related materials
  • Photorefractive and Nonlinear Optics
  • Advanced Fiber Laser Technologies
  • Acoustic Wave Resonator Technologies
  • Medical Imaging Techniques and Applications
  • Spectroscopy Techniques in Biomedical and Chemical Research
  • Advanced Biosensing Techniques and Applications
  • Surface Modification and Superhydrophobicity
  • Gas Sensing Nanomaterials and Sensors
  • Innovative concrete reinforcement materials
  • Industrial Vision Systems and Defect Detection
  • Engineering Diagnostics and Reliability
  • Neutrino Physics Research
  • Structural Load-Bearing Analysis
  • Surface Roughness and Optical Measurements
  • Dark Matter and Cosmic Phenomena

Institute of High Energy Physics
2023-2024

Chinese Academy of Sciences
2023-2024

University of Chinese Academy of Sciences
2023-2024

University of Colorado Boulder
2024

University of Colorado System
2024

University of Electronic Science and Technology of China
2016-2023

Beijing Normal University
2016-2019

State Key Laboratory of Electronic Thin Films and Integrated Devices
2016-2017

National Engineering Research Center of Electromagnetic Radiation Control Materials
2016-2017

Shanghai Jiao Tong University
2012

A grating coupler on 700-nm-thick Z-cut lithium-niobate-on-insulator platform with high coupling efficiency, large bandwidth, and fabrication tolerance is designed optimized by inverse design method. The fabricated a single set of e-beam lithography etching process, it experimentally characterized to possess peak efficiency −3.8 dB at 1574.93 nm, 1 bandwidth 71.7 3 over 120 respectively.

10.1063/5.0184413 article EN Applied Physics Letters 2024-01-29

10.1016/j.nima.2016.09.033 article EN Nuclear Instruments and Methods in Physics Research Section A Accelerators Spectrometers Detectors and Associated Equipment 2016-09-17

According to the shear capacity test results of six steel-fiber-reinforced high-strength concrete (SFHSC) corbels with welded-anchorage longitudinal reinforcement under concentrated load, effects span ratio and steel fiber volume fraction on failure mode, cracking load ultimate corbel specimens were analyzed. On basis experimental research, transfer mechanism structure was discussed. Then, a modified softened strut-and-tie model (MSSTM), composed diagonal horizontal mechanisms, proposed, for...

10.3390/ma16144907 article EN Materials 2023-07-09

Tunable filter based on Fabry-Perot cavity is a vital device in WDM system, acting as wavelength selection and monitoring, thermally tuning thermo-optical effect often used. A-Si:H SiNx films were selected to compose the structure of filter. The properties these under various process parameters are studied, RF power 13W pressure 80Pa for fabricating a-Si:H flow rate ratio SiH4/NH3 1:2 suitable obtain with high quality favorable optical properties, besides, also achieve thermo-optic...

10.1109/wocc.2016.7506631 article EN 2016-05-01

The water vapor noise will affect the accuracy of extracted optical parameters based on terahertz time domain spectroscopy technology. Because has characteristics wide distribution and high intensity, existing denoising methods cannot be effectively applied to THz signal with noise. In this paper, a numerical method is presented. First, Van Vleck-Weisskopf lineshape function linear absorption spectrum molecules in HITRAN database, we have simulated line width, continuum effect are considered...

10.1117/12.2245682 article EN Proceedings of SPIE, the International Society for Optical Engineering/Proceedings of SPIE 2016-10-25

Abstract This study presents a Monte Carlo simulation tool for modeling the transportation processes of thermal electrons in noble liquids, specifically focusing on liquid argon and xenon. The aims to elucidate microscopical mechanisms governing drift diffusion within context time projection chambers (TPCs), with detailed considerations coherent electron-atom scattering electric field force. is implemented Geant4 framework, allowing exploration electron transport parameters, including...

10.1088/1748-0221/19/03/p03008 article EN Journal of Instrumentation 2024-03-01

Broadband frequency comb generation through cascaded quadratic nonlinearity remains experimentally untapped in free-space cavities with bulk χ

10.1364/ol.523920 article EN Optics Letters 2024-04-09

10.1109/ifeea64237.2024.10878616 article EN 2020 7th International Forum on Electrical Engineering and Automation (IFEEA) 2024-11-22

As a powerful tool for the research of molecular structure, infrared absorption spectrum has been extensively studied in field biomedical photonics. The anhydrous glucose terahertz region measured by Fourier transform spectrometer (FTIR). experimental results show that there are many characteristic peaks. origins generally attributed to intermolecular vibrations and intramolecular torsions. CASTEP quantum chemical calculation software package was utilized simulate spectroscopy crystal...

10.1117/12.2246151 article EN Proceedings of SPIE, the International Society for Optical Engineering/Proceedings of SPIE 2016-11-03

Lead evaporation and recovery of nanoparticle materials from waste cathode-ray tube (CRT) glass using the self-propagating high-temperature synthesis (SHS) method was investigated. The reaction temperature combustion velocity mixture Fe2O3-Mg-CRT in SHS process were studied detail. Then lead extraction ratio, phase compositions as well micromorphology extracted PbO nanoparticles examined. thermodynamics nanocrystallization mechanism also analyzed. It can be found that decrease with...

10.3724/sp.j.1077.2012.11800 article EN Journal of Inorganic Materials 2013-01-04

This study presents a Monte Carlo simulation tool for modeling the transportation processes of thermal electrons in noble liquids, specifically focusing on liquid argon and xenon. The aims to elucidate microscopical mechanisms governing drift diffusion within context time projection chambers (TPCs), with detailed considerations coherent electron-atom scattering electric field force. is implemented Geant4 framework, allowing exploration electron transport parameters, including velocity,...

10.48550/arxiv.2312.01463 preprint EN other-oa arXiv (Cornell University) 2023-01-01
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