Prof. Kejia Wang Profile

Prof. Kejia Wang

at Huazhong Univ of Science and Technology

SPIE Involvement:

Author

Publications (10)

Proceedings Article | 16 June 2023 Paper

Diffractive deformed axicon to generate terahertz diffraction-free beam

Yingshan Ma, Kejia Wang

Proceedings Volume 12702, 127021L (2023) https://doi.org/10.1117/12.2679368

KEYWORDS: Axicons, Deformation, Diffractive optical elements, Simulations, Optical components, Phase shifts, Reflection, Diffraction, Terahertz radiation, Signal intensity

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Proceedings Article | 10 April 2023 Paper

Generation and detection of terahertz quasi-perfect vortex beam arrays

Xingyun Wang, Yongqiang Yang, Kejia Wang, Zhengang Yang, Jinsong Liu

Proceedings Volume 12614, 126141B (2023) https://doi.org/10.1117/12.2672852

KEYWORDS: Lens arrays, Holography, Diffraction, Arrayed waveguide gratings, Fourier transforms, Telecommunications, Phase distribution, Optical gratings

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Proceedings Article | 21 January 2022 Paper

System construction and imaging experiment of a focused 300G terahertz FMCW systems

Shitao Chen, Chengwu You, Kejia Wang, Jinsong Liu, Zhengang yang

Proceedings Volume 12154, 1215411 (2022) https://doi.org/10.1117/12.2623733

KEYWORDS: Imaging systems, Terahertz radiation, Light, Metals, Nondestructive evaluation, Image resolution, 3D image processing, Collimation, Light sources

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Proceedings Article | 12 March 2020 Paper

A simple approach to generate a monochromatic plate-like THz beam

Zhenwei Zhang, Yuejin Zhao, Kejia Wang, Cunlin Zhang

Proceedings Volume 11441, 1144107 (2020) https://doi.org/10.1117/12.2541917

KEYWORDS: Terahertz radiation, Lens design, Optical components, Imaging systems, Free space, Beam propagation method, Collimation, Sensors, Optoelectronics, Diffraction

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Proceedings Article | 20 March 2018 Paper

Terahertz frequency modulated continuous wave imaging for non-destructive evaluation of painting and multilayer parts

Xue Ma, Kejia Wang, Frédéric Fauquet, Marie Roux, Corinna Ludovica Koch Dandolo, Patrick Mounaix, Jean-Paul Guillet

Proceedings Volume 10531, 1053122 (2018) https://doi.org/10.1117/12.2291016

KEYWORDS: Terahertz radiation, Modulation, Imaging systems, Reflection, Nondestructive evaluation, Millimeter wave imaging, Imaging spectroscopy, Radar, Image resolution, Head

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SPIE Journal Paper | 26 February 2018

High-precision terahertz frequency modulated continuous wave imaging method using continuous wavelet transform

Yu Zhou, Tianyi Wang, Bing Dai, Wenjun Li, Wei Wang, Chengwu You, Kejia Wang, Jinsong Liu, Shenglie Wang, Zhengang Yang

OE, Vol. 57, Issue 02, 023108, (February 2018) https://doi.org/10.1117/12.10.1117/1.OE.57.2.023108

KEYWORDS: Wavelets, Continuous wavelet transforms, Terahertz radiation, Signal processing, Modulation, Image processing, Composites, Optical engineering, Data processing, Nondestructive evaluation

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Proceedings Article | 12 January 2018 Paper

THz computed tomography system with zero-order Bessel beam

Liting Niu, Qiao Wu, Kejia Wang, Jinsong Liu, Zhengang Yang

Proceedings Volume 10623, 1062303 (2018) https://doi.org/10.1117/12.2295477

KEYWORDS: Terahertz radiation, Bessel beams, Axicons, Gaussian beams, Imaging systems, Computed tomography, 3D image reconstruction

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Proceedings Article | 25 February 2016 Paper

Experimental demonstration of trapping waves with terahertz metamaterial absorbers on flexible polyimide films

Wei Wang, Jinsong Liu, Kejia Wang

Proceedings Volume 9747, 97471I (2016) https://doi.org/10.1117/12.2217423

KEYWORDS: Absorption, Metamaterials, Terahertz radiation, Terahertz metamaterials, Dielectrics, Sensors, Reflection, Imaging systems, Silver

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Proceedings Article | 11 November 2014 Paper

Orbit angular momentum encoding at 0.3 THz via 3D printed spiral phase plates

Xuli Wei, Changming Liu, Zhongqi Zhang, Long Zhu, Jian Wang, Kejia Wang, Zhenggang Yang, Jinsong Liu

Proceedings Volume 9275, 92751P (2014) https://doi.org/10.1117/12.2085083

KEYWORDS: Spiral phase plates, Terahertz radiation, Computer programming, Beam splitters, Gaussian beams, Multiplexing, Telecommunications, Polarization, Sensors, Wireless communications

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Proceedings Article | 11 November 2014 Paper

Terahertz imaging system based on bessel beams via 3D printed axicons at 100GHz

Changming Liu, Xuli Wei, Zhongqi Zhang, Kejia Wang, Zhenggang Yang, Jinsong Liu

Proceedings Volume 9275, 92751Q (2014) https://doi.org/10.1117/12.2085082

KEYWORDS: Imaging systems, Axicons, Bessel beams, Terahertz radiation, Gaussian beams, 3D printing, Image resolution, Nondestructive evaluation, Millimeter wave imaging, Sensors

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Showing 5 of 10 publications

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