Dr. Zujun Qin Profile

Dr. Zujun Qin

at Guilin Univ of Electronic Technology

SPIE Involvement:

Author

Publications (15)

Proceedings Article | 21 December 2023 Paper

Paper

Photonics-assisted microwave instantaneous frequency measurement based on frequency-power mapping

Rong Sun, Tao Ju, Zujun Qin, Renfeng Gu

Proceedings Volume 12966, 1296629 (2023) https://doi.org/10.1117/12.3008094

KEYWORDS: Microwave radiation, Photonics, Modulation, Microwave photonics, Laser frequency, Photonic microstructures, Phase shifts, Channel projecting optics, Radio optics, Polarization

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Proceedings Article | 18 December 2023 Paper

Paper

Event identification of φ-OTDR by dual input deep convolutional neural network

Yuhang Feng, Cong Chen, Jianjun Zhou, Mingxu Wen, Zujun Qin

Proceedings Volume 12968, 1296817 (2023) https://doi.org/10.1117/12.3007058

KEYWORDS: Vibration, Deep convolutional neural networks, Feature extraction

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Proceedings Article | 10 April 2023 Paper

Paper

A simple method of measuring vibration frequency based on φ-OTDR

Zesen Zhang, Jieqia Chen, Zhenhua Xu, Zujun Qin

Proceedings Volume 12614, 126140K (2023) https://doi.org/10.1117/12.2672638

KEYWORDS: Signal detection, Ferroelectric materials, Signal processing, Pulse signals, Digital signal processing, Bragg cells, Repetition frequency, Reflectometry

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Proceedings Article | 10 April 2023 Paper

Paper

Vibration detection by energy/power cross-correlation in φ-OTDR

Mingxu Wen, Jianjun Zhou, Cong Chen, Wentao Zhang, Zujun Qin

Proceedings Volume 12614, 126140J (2023) https://doi.org/10.1117/12.2672604

KEYWORDS: Ferroelectric materials, Bragg cells, Signal to noise ratio, Correlation coefficients, Signal detection, Pulse signals, Interference (communication)

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Proceedings Article | 10 April 2023 Paper

Paper

Vibration detection and waveform recovery based on sliding root mean square in φ-OTDR

Cong Chen, Yuhang Feng, Mingxu Wen, Jianjun Zhou, Zujun Qin, Wentao Zhang

Proceedings Volume 12614, 126140M (2023) https://doi.org/10.1117/12.2672642

KEYWORDS: Ferroelectric materials, Bragg cells, Phase unwrapping, Interference (communication), Data acquisition, Tunable filters

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Proceedings Article | 10 April 2023 Paper

Paper

Field enhancement effect in graphene-based terahertz nano metasurfaces

Zujun Qin, Ping Xie, Shan Yin

Proceedings Volume 12614, 1261414 (2023) https://doi.org/10.1117/12.2672600

KEYWORDS: Graphene, Electric fields, Terahertz radiation, Electrical conductivity, Terahertz metamaterials, Electromagnetic metamaterials, Design and modelling, Structural design, Split ring resonators, Silicon

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Proceedings Article | 10 April 2023 Paper

Paper

Suppression of interference fading in φ-OTDR based on FDM and dual RVS

Jianjun Zhou, Mingxu Wen, Cong Chen, Wentao Zhang, Zujun Qin

Proceedings Volume 12614, 126140I (2023) https://doi.org/10.1117/12.2672599

KEYWORDS: Vibration, Fused deposition modeling, Superposition, Modulation frequency, Signal detection, Pulse signals, Digital signal processing, Demodulation, Frequency division multiplexing, Bragg cells

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Proceedings Article | 24 November 2021 Paper

Paper

Recognition of sound vibration by DCNN based on φ-OTDR system

Cong Chen, Jiamin Li, Zujun Qin, Xianming Xiong, Wentao Zhang

Proceedings Volume 12066, 120660K (2021) https://doi.org/10.1117/12.2603867

KEYWORDS: Signal detection, Signal processing, Fiber lasers, Bragg cells, Backscatter, Sensors, Sensing systems, Reflectometry

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Proceedings Article | 1 November 2021 Paper

Paper

Mode-conversion in few-mode fibers based on PC-FWM

Longtao Yang, Jiamin Li, Cong Chen, Zhenhua Xu, Zujun Qin, Jianyuan Li

Proceedings Volume 12057, 120572C (2021) https://doi.org/10.1117/12.2605857

KEYWORDS: Optical fibers, Phase matching, Signal processing, Refractive index, Phase conjugation

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Proceedings Article | 28 February 2021 Paper

Paper

InSb-based five-band terahertz metamaterial thermally tunable absorbers

Peng Zhong, Yuanda Liang, Zujun Qin, Wei Huang, Shan Yin

Proceedings Volume 11781, 117810Z (2021) https://doi.org/10.1117/12.2590723

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Proceedings Article | 28 February 2021 Paper

Paper

φ-OTDR vibration detection based on dual-channel sensing of a two-mode fiber

Longtao Yang, Jiangjiang Gao, Zujun Qin

Proceedings Volume 11781, 117810H (2021) https://doi.org/10.1117/12.2591333

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SPIE Journal Paper | 6 February 2021

Wide-range tunable, dual-band, background refractive index insensitive terahertz absorber based on graphene and Dirac semimetal

Shuaizhao Wang, Ronghui Xu, Zujun Qin, Houquan Liu, Shijie Deng, Ming Chen, Yu Cheng, Libo Yuan

OE, Vol. 60, Issue 02, 027102, (February 2021) https://doi.org/10.1117/12.10.1117/1.OE.60.2.027102

KEYWORDS: Absorption, Graphene, Terahertz radiation, Refractive index, Metalloids, Gold, Optical engineering, Dielectrics, Magnetism, Silicon

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Proceedings Article | 8 January 2021 Paper

Paper

Identifying vehicle vibrations on a highway based on multipath information fusion in φ-OTDR systems

Jiangjiang Gao, Zujun Qin, Longtao Yang, Cong Chen, Feng Hu, Wangchun Zhu, Wentao Zhang, Xianming Xiong

Proceedings Volume 11607, 1160703 (2021) https://doi.org/10.1117/12.2583550

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Proceedings Article | 8 January 2021 Paper

Paper

An approach for vibration positioning and recognition in OFDR

Yiwei Hu, Zujun Qin, Jiamin Li, Yinghua Lu, Jinpeng Li, Wentao Zhang, Xianming Xiong

Proceedings Volume 11607, 1160704 (2021) https://doi.org/10.1117/12.2583565

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Proceedings Article | 7 February 2008 Paper

Paper

A novel numerical algorithm for nth-order cascaded Raman fiber lasers based on genetic algorithm and shooting method

Zujun Qin, Xiaojun Zhou, Fadan Li, Haocheng Wu, Zili Zou

Proceedings Volume 6839, 68391H (2008) https://doi.org/10.1117/12.756417

KEYWORDS: Raman spectroscopy, Fiber lasers, Genetic algorithms, Fiber Bragg gratings, Reflectivity, Raman scattering, Ordinary differential equations, Computer simulations, Resonators, Electronics

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Showing 5 of 15 publications

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