Dr. Haiwei Zhang Profile

Dr. Haiwei Zhang

Professor at Tianjin Univ of Technology

SPIE Involvement:

Author

Publications (26)

Proceedings Article | 18 November 2024 Paper

Optimizing action segmentation with linear self-attention and pyramidal pooling

Jiamin Fu, Zhihong Chen, Haiwei Zhang, Yuxuan Gao

Proceedings Volume 13403, 134032H (2024) https://doi.org/10.1117/12.3051722

KEYWORDS: Video, Convolution, Video surveillance, Performance modeling, Data modeling, Mathematical optimization, Visual process modeling, Video processing, Transformers, Image segmentation

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Proceedings Article | 29 November 2023 Poster + Paper

Dual-parameter sensor for refractive index and temperature sensing based on surface plasmon resonance

Wei Ye, Lifang Xue, Haiwei Zhang, Zhihong Chen, Qi Lu, Guangyao Wang, Wei Shi, Jianquan Yao

Proceedings Volume 12774, 127740Q (2023) https://doi.org/10.1117/12.2688658

KEYWORDS: Sensors, Temperature metrology, Refractive index, Signal intensity, Surface plasmons, Matrices, Gold, Silicon, Silica, Metals

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Proceedings Article | 27 November 2023 Paper

Optical pH sensor based on fiber interferometer coated with intelligent hydrogel

Qi Lu, Zhengyu Liu, Haiwei Zhang, Lifang Xue, Zhihong Chen

Proceedings Volume 12771, 127710L (2023) https://doi.org/10.1117/12.2688657

KEYWORDS: Hydrogels, Sensors, Refractive index, Structured optical fibers, Fiber optics sensors, Cladding, Water, Single mode fibers, Optical fibers, Coating

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Proceedings Article | 4 January 2023 Poster + Paper

Head radiographic detection of feature aggregation networks with coordinated attention

Xinwang Shao, Zhihong Chen, Jia Lu, Haiwei Zhang, Yinping Miao, Wenhan Song

Proceedings Volume 12317, 123170T (2023) https://doi.org/10.1117/12.2643232

KEYWORDS: Networks, X-rays, Anatomy, Education and training, Diseases and disorders, Optical engineering, Medical imaging, Lithium, Integrated circuits, Head

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Proceedings Article | 28 December 2022 Poster + Paper

High-efficient diode-end-pumped actively Q-switched Nd:YAG/Nd:YVO4 laser

Pengbo Jiang, Xin Ding, Jian Guo, Haiwei Zhang, Haifeng Qi, Ying Shang, Zhiqiang Song, Weitao Wang, Chen Wang, Jiasheng Ni, Jianquan Yao

Proceedings Volume 12310, 123100Y (2022) https://doi.org/10.1117/12.2642915

KEYWORDS: Crystals, Nd:YAG lasers, Pulsed laser operation, Polarization, Q switched lasers, Laser crystals, Laser applications, Mirrors, Solid state lasers

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Proceedings Article | 19 December 2022 Presentation + Paper

All fiber human heart-rate sensor based on the evanescent field disturbance in no-core fiber

Yao Feng, Mingda Zhao, Haiwei Zhang, Rong Tian, Youkui Zhang, Zhihong Chen, Lifang Xue, Wei Shi, Jianquan Yao

Proceedings Volume 12321, 1232105 (2022) https://doi.org/10.1117/12.2643016

KEYWORDS: Sensors, Electrocardiography, Vibration, Fiber optics sensors, Beam propagation method, Structural sensing, Single mode fibers, Heart, Evanescence, Vital signs

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Proceedings Article | 19 December 2022 Poster + Presentation + Paper

Sensitivity-enhanced all-fiber displacement sensor based on Lyot filter

Rong Tian, Haiwei Zhang, Yao Feng, Qi Lu, Zhihong Chen, Lifang Xue, Pengbo Jiang, Wei Shi, Jianquan Yao

Proceedings Volume 12321, 123210T (2022) https://doi.org/10.1117/12.2641617

KEYWORDS: Passive sensors, Active sensors, Optical filtering, Sensors, Polarizers, Phase modulation, Birefringence, Signal to noise ratio, Optical filters, Modulation, Sensing systems, Polarization

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SPIE Journal Paper | 21 June 2022

Tunable multiband absorber based on metamaterial in the terahertz region

Shouchen Chen, Fei Su, Shengyu Liu, Guangjun Ren, Haiwei Zhang, Jianquan Yao

OE, Vol. 61, Issue 06, 065104, (June 2022) https://doi.org/10.1117/12.10.1117/1.OE.61.6.065104

KEYWORDS: Absorption, Vanadium, Dielectrics, Metamaterials, Metals, Gold, Terahertz radiation, Dielectric polarization, Transition metals, Optical engineering

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Proceedings Article | 24 November 2021 Paper

Intra-cavity absorption gas sensing network based on hybrid DWDM and TDM

Liangcheng Duan, Wenli Liu, Zhixiong Hu, Guangyao Wang, Haiwei Zhang, Ying Lu

Proceedings Volume 12065, 120653S (2021) https://doi.org/10.1117/12.2607121

KEYWORDS: Dense wavelength division multiplexing, Absorption, Time division multiplexing, Sensing systems, Active remote sensing, Optical filters, Networks, Optical switching, Multiplexing, Photonic crystal fibers

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SPIE Journal Paper | 17 June 2021

Design of metamaterial- and graphene-based tunable broadband electromagnetic absorber at the terahertz region

Shuchen Liu, Shengyu Liu, Guangjun Ren, Haiwei Zhang, Qingzhe Wang, Jianquan Yao

OE, Vol. 60, Issue 06, 067102, (June 2021) https://doi.org/10.1117/12.10.1117/1.OE.60.6.067102

KEYWORDS: Absorption, Terahertz radiation, Graphene, Metamaterials, Gold, Electromagnetism, Dielectrics, Dielectric polarization, Optical engineering, Magnetism

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Proceedings Article | 10 October 2020 Presentation + Paper

All-single-mode fiber intracavity displacement sensor based on Er-doped fiber ring laser

Mingpan Bi, Haiwei Zhang, Lifang Xue, Yinping Miao, Wei Shi, Jianquan Yao

Proceedings Volume 11554, 115540K (2020) https://doi.org/10.1117/12.2573709

KEYWORDS: Fiber lasers, Sensors, Fiber optics sensors, Sensing systems, Signal to noise ratio, Single mode fibers, Interferometers, Resistance, Electromagnetic interference, Remote sensing

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Proceedings Article | 27 February 2019 Presentation + Paper

Photonic crystal fiber temperature sensor filled with liquid and silver nanowires

Xianchao Yang, Ying Lu, Liangcheng Duan, Haiwei Zhang, Jianquan Yao

Proceedings Volume 10872, 108720V (2019) https://doi.org/10.1117/12.2508145

KEYWORDS: Liquids, Nanowires, Silver, Temperature sensors, Plasmons, Sensors, Bioalcohols, Photonic crystal fibers, Temperature metrology, Metals

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Proceedings Article | 12 December 2018 Paper

Passively mode-locked tunable wavelength linear cavity Yb-doped fiber laser based on volume grating

Qingxue Wang, Yangbo Bai, Cuiping Li, Honggang Pan, Bin Li, Guangjun Ren, Haiwei Zhang, Xin Ke

Proceedings Volume 10844, 1084411 (2018) https://doi.org/10.1117/12.2505577

KEYWORDS: Mode locking, Fiber lasers, Volume Bragg gratings, Wavelength tuning, Pulsed laser operation, Telecommunications, Continuous wave operation, Optical coherence tomography, Wavelength division multiplexing, Mirrors

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Proceedings Article | 26 February 2018 Paper

Influence of seed power and gain fiber temperature on output linewidth in single-frequency Er3+/Yb3+ co-doped fiber amplifier

Xiaolei Bai, Quan Sheng, Haiwei Zhang, Shijie Fu, Wei Shi, Jianquan Yao

Proceedings Volume 10512, 105122H (2018) https://doi.org/10.1117/12.2291232

KEYWORDS: Fiber amplifiers, Amplifiers, Fiber lasers, Cladding, Erbium, Ytterbium, Curium, Signal to noise ratio, Phase shift keying, Temperature metrology

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Proceedings Article | 26 February 2018 Paper

Switchable and tunable dual-wavelength Er-doped fiber ring laser with single-frequency lasing wavelengths

Haiwei Zhang, Wei Shi, Xiaolei Bai, Quan Sheng, Lifang Xue, Jianquan Yao

Proceedings Volume 10512, 105122C (2018) https://doi.org/10.1117/12.2289102

KEYWORDS: Fiber lasers, Optical filters, Electronic filtering, Tunable lasers, Sensors, Polarization, Signal to noise ratio, Wavelength division multiplexing, Optoelectronics, Microwave radiation

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Proceedings Article | 20 February 2018 Paper

The research on the design and performance of 7×1 pump combiners

Yang Cao, Quan Sheng, Shijie Fu, Haiwei Zhang, Xiaolei Bai, Wei Shi, Jianquan Yao

Proceedings Volume 10513, 105131M (2018) https://doi.org/10.1117/12.2291219

KEYWORDS: Capillaries, Optical fibers, Multimode fibers, Fiber lasers, Cladding, Laser systems engineering, Optoelectronics, Refractive index, High power fiber lasers, Analytical research

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Proceedings Article | 16 February 2018 Presentation + Paper

Sensitivity-enhanced intracavity-absorption acetylene sensor based on mode competition

Liangcheng Duan, Haiwei Zhang, Xianchao Yang, Wei Shi, Ying Lu, Lifang Xue, Jianquan Yao

Proceedings Volume 10518, 105180Y (2018) https://doi.org/10.1117/12.2289064

KEYWORDS: Sensors, Gas sensors, Fiber lasers, Optical filters, Absorption, Laser resonators, Tunable filters, Dense wavelength division multiplexing, Fiber Bragg gratings, Attenuators

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Proceedings Article | 24 October 2017 Paper

Dual-wavelength single-frequency Erbium-doped ring fiber laser for high-resolution temperature and strain sensing

Haiwei Zhang, Wei Shi, Liangcheng Duan, Quan Sheng, Shijie Fu, Jianquan Yao

Proceedings Volume 10464, 104640T (2017) https://doi.org/10.1117/12.2284636

KEYWORDS: Fiber lasers, Phase modulation, Fiber Bragg gratings, Temperature metrology

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Proceedings Article | 24 October 2017 Paper

Progress on single-frequency fiber lasers for sensing technology

Wei Shi, Shijie Fu, Quan Sheng, Haiwei Zhang, Jianquan Yao

Proceedings Volume 10464, 104640R (2017) https://doi.org/10.1117/12.2284626

KEYWORDS: Fiber lasers, Laser applications

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Proceedings Article | 7 March 2017 Paper

Investigation of ASE and SRS effects on 1018nm short-wavelength Yb3+-doped fiber laser

Zhaoxin Xie, Wei Shi, Quan Sheng, Shijie Fu, Qiang Fang, Haiwei Zhang, Xiaolei Bai, Guannan Shi, Jianquan Yao

Proceedings Volume 10083, 1008327 (2017) https://doi.org/10.1117/12.2251368

KEYWORDS: Fiber lasers, Quantum efficiency, Reflectivity, Laser systems engineering, Raman scattering, Signal to noise ratio, Absorption, Optical simulations, Fiber amplifiers, Rayleigh scattering, Ytterbium, Raman spectroscopy, Laser damage threshold, Signal attenuation, Picosecond phenomena

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Proceedings Article | 27 February 2017 Presentation + Paper

Automatic channel-switched intracavity-absorption acetylene sensor based on mode-competition via Sagnac loop filter

Haiwei Zhang, Wei Shi, Liangcheng Duan, Ying Lu, Quan Sheng, Jianquan Yao

Proceedings Volume 10090, 100901G (2017) https://doi.org/10.1117/12.2251294

KEYWORDS: Optical filters, Sensors, Sensor networks, Fiber Bragg gratings, Dense wavelength division multiplexing, Multiplexing, Absorption, Polarization, Optical sensing, Fiber optics sensors, Fiber lasers, Absorption filters, Gas sensors, Tunable filters

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Proceedings Article | 22 February 2017 Presentation + Paper

Linewidth-narrowed 2-µm single-frequency fiber laser based on stimulated Brillouin scattering effect

Shijie Fu, Wei Shi, Haiwei Zhang, Quan Sheng, Xiaolei Bai, Jianquan Yao

Proceedings Volume 10083, 100830L (2017) https://doi.org/10.1117/12.2251644

KEYWORDS: Fiber lasers, Fiber amplifiers, Laser scattering, Scattering, Coherence (optics), Spectroscopy, LIDAR, Free space optical communications, YAG lasers, Laser damage threshold, Chalcogenides, Laser resonators, Semiconductor lasers, Signal to noise ratio, Heterodyning, Absorption

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Proceedings Article | 20 February 2017 Presentation + Paper

High-resolution temperature sensor through measuring the frequency shift of single-frequency Erbium-doped fiber ring laser

Haiwei Zhang, Wei Shi, Liangcheng Duan, Shijie Fu, Quan Sheng, Jianquan Yao

Proceedings Volume 10090, 1009016 (2017) https://doi.org/10.1117/12.2251319

KEYWORDS: Fiber lasers, Temperature sensors, Heterodyning, Fiber optics sensors, Optical spectroscopy, Spectroscopy, Optical filters, Electronic filtering, Signal to noise ratio, Fiber Bragg gratings

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SPIE Journal Paper | 7 December 2016

Investigation on high transmission efficiency 7 × 1 pump combiner

Yang Cao, Wei Shi, Quan Sheng, Shijie Fu, Haiwei Zhang, Xiaolei Bai, Liang Qi, Jianquan Yao

OE, Vol. 55, Issue 12, 126102, (December 2016) https://doi.org/10.1117/12.10.1117/1.OE.55.12.126102

KEYWORDS: Optical fibers, Capillaries, Multimode fibers, Fiber lasers, Optical engineering, Cladding, Refractive index, Laser systems engineering, Analytical research, Oxygen

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Proceedings Article | 11 March 2016 Paper

High power single-frequency erbium-ytterbium co-doped all-fiber laser in MOPA

Xiaolei Bai, Quan Sheng, Wei Shi, Haiwei Zhang, Jianquan Yao

Proceedings Volume 9728, 972835 (2016) https://doi.org/10.1117/12.2216459

KEYWORDS: Fiber lasers, Fiber amplifiers, Erbium, Ytterbium, High power fiber amplifiers, High power lasers, Laser applications, Spectroscopy, Doppler effect, LIDAR, Optical amplifiers, Cladding, Oscillators, Sensors, Semiconductor lasers, Signal to noise ratio, Absorption

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Proceedings Article | 11 March 2016 Paper

2μm single frequency fiber laser based on thulium-doped silica fiber

Shijie Fu, Wei Shi, Jichao Lin, Qiang Fang, Quan Sheng, Haiwei Zhang, Jinwei Wen, Jianquan Yao

Proceedings Volume 9728, 972811 (2016) https://doi.org/10.1117/12.2211890

KEYWORDS: Fiber lasers, Optical fibers, Laser development, Fiber Bragg gratings, LIDAR, Spectroscopy, Nonlinear frequency conversion, Silicates, Specialty optical fibers, Laser resonators, Absorption, Laser applications, Semiconductor lasers, Glasses, Reflectivity, Phase modulation

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Showing 5 of 26 publications

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