Prof. Zhiwei Lu Profile

Prof. Zhiwei Lu

Professor at Harbin Institute of Technology

SPIE Involvement:

Author

Publications (38)

Proceedings Article | 7 October 2019 Paper

Spatial beam shaping by using small-aperture SLM in a high power laser

Sensen Li, Zhiwei Lu, Yulei Wang, Jun Cai, Wanli Zhao, Xiusheng Yan

Proceedings Volume 11162, 1116202 (2019) https://doi.org/10.1117/12.2532388

KEYWORDS: Spatial light modulators, Beam shaping, Laser systems engineering, High power lasers, Spatial filters, Transmittance, Near field, Charge-coupled devices, Diffraction, Pulsed laser operation

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Proceedings Article | 15 November 2018 Paper

High-gain amplification of weak signal based on stimulated Brillouin scattering in optical fiber

Liwen Sheng, Dexin Ba, Zhiwei Lu

Proceedings Volume 10964, 109642C (2018) https://doi.org/10.1117/12.2505758

KEYWORDS: Signal to noise ratio, Optical amplifiers, Scattering, Fiber amplifiers, Optical fibers, LIDAR, Fiber Bragg gratings, Laser scattering, Interference (communication), Single mode fibers

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Proceedings Article | 5 March 2018 Paper

Beam shaping by using small-aperture SLM and DM in a high power laser

Sensen Li, Zhiwei Lu, Pengyuan Du, Yulei Wang, Lei Ding, Xiusheng Yan

Proceedings Volume 10710, 107103Q (2018) https://doi.org/10.1117/12.2317534

KEYWORDS: Wavefronts, Laser systems engineering, Spatial light modulators, Beam shaping, High power lasers, Near field, Optical amplifiers, Photovoltaics, Wavefront distortions, Mirrors

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Proceedings Article | 23 April 2017 Paper

Distributed Brillouin optical fiber sensing for dynamic strain with frequency agility based on dual-modulation

Dexin Ba, Dengwang Zhou, Benzhang Wang, Mingjing Yin, Yongkang Dong, Zhiwei Lu, Zhigang Fan

Proceedings Volume 10323, 103235R (2017) https://doi.org/10.1117/12.2262209

KEYWORDS: Fiber Bragg gratings, Magnesium, Optical filters, Modulators, Modulation, Optical fibers, Optical sensing, Fiber optics sensors, Sensors, Spatial resolution

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Proceedings Article | 23 April 2017 Paper

Wide-range dynamic strain measurements based on K-BOTDA and frequency-agile technique

Dengwang Zhou, Yongkang Dong, Benzhang Wang, Hongying Zhang, Zhiwei Lu

Proceedings Volume 10323, 103237U (2017) https://doi.org/10.1117/12.2265378

KEYWORDS: Scattering, Detection and tracking algorithms, Modulators, Signal generators, Fiber Bragg gratings, Lutetium, Laser applications, Fiber optics sensors, Heterodyning, Demodulation

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Proceedings Article | 4 November 2016 Paper

Characterization of phase-shifted Brillouin dynamic gratings in a polarization maintaining fiber

Dengwang Zhou, Yongkang Dong, Pengbai Xu, Lei Teng, Hongying Zhang, Zhiwei Lu

Proceedings Volume 10026, 100260X (2016) https://doi.org/10.1117/12.2247000

KEYWORDS: Polarization maintaining fibers, Scattering, Phase shifts, Fiber Bragg gratings, Acoustics, Optical fibers, Signal detection, Refractive index, Tunable lasers, All optical signal processing

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Proceedings Article | 28 September 2015 Paper

1200°C high-temperature distributed Brillouin optical fiber sensing based on photonics crystal fiber

Yongkang Dong, Pengbai Xu, Cheng Fu, Chenglin Zhang, Dengwang Zhou, Taofei Jiang, Hongying Zhang, Zhiwei Lu, Liang Chen, Xiaoyi Bao

Proceedings Volume 9634, 963485 (2015) https://doi.org/10.1117/12.2205329

KEYWORDS: Temperature metrology, Single mode fibers, Optical fibers, Photonic crystal fibers, Annealing, Fiber optics sensors, Sensors, Acoustics, Optical sensing, Structured optical fibers

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Proceedings Article | 28 September 2015 Paper

Dynamic distributed Brillouin optical fiber sensing based on multi-slope analysis

Dexin Ba, Benzhang Wang, Dengwang Zhou, Hongying Zhang, Zhiwei Lu, Liang Chen, Xiaoyi Bao, Yongkang Dong

Proceedings Volume 9634, 96344T (2015) https://doi.org/10.1117/12.2194539

KEYWORDS: Optical fibers, Optical sensing, Modulation, Data processing, Spatial resolution, Fiber Bragg gratings, Optical amplifiers, Temperature metrology, Head, Signal generators

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Proceedings Article | 28 September 2015 Paper

High-sensitive distributed transverse load sensing based on Brillouin dynamic gratings

Lei Teng, Peilin Tong, Taofei Jiang, Hongying Zhang, Zhiwei Lu, Liang Chen, Xiaoyi Bao, Yongkang Dong

Proceedings Volume 9634, 96346M (2015) https://doi.org/10.1117/12.2194317

KEYWORDS: Birefringence, Spatial resolution, Glasses, Polarization maintaining fibers, Optical sensing, Fiber Bragg gratings, Wave plates, Modulators, Tunable lasers, Optical fibers

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Proceedings Article | 28 September 2015 Paper

Bend-insensitive distributed sensing in singlemode-multimode-singlemode optical fiber structure by using Brillouin optical time-domain analysis

Pengbai Xu, Hongying Zhang, Zhiwei Lu, Liang Chen, Xiaoyi Bao, Yongkang Dong

Proceedings Volume 9634, 96344Y (2015) https://doi.org/10.1117/12.2194416

KEYWORDS: Single mode fibers, Optical fibers, Interfaces, Sensing systems, Signal attenuation, Optical sensing, Optical amplifiers, Sensors, Multimode fibers, Scattering

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Proceedings Article | 22 August 2015 Paper

Using an active temporal compensating system to achieve the super-Gaussian pulses in high-power lasers

Yulei Wang, Rui Liu, Hang Yuan, Sensen Li, Zhaohong Liu, Xuehua Zhu, Weiming He, Zhiwei Lv

Proceedings Volume 9656, 965608 (2015) https://doi.org/10.1117/12.2197283

KEYWORDS: Pulsed laser operation, Pulse shaping, High power lasers, Laser systems engineering, Modulation, Solid state lasers, Distortion, Signal to noise ratio, Laser applications, Control systems

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Proceedings Article | 2 September 2014 Paper

Analysis and optimization of mounting configuration of large aperture optics

Bin Feng, Lihua Lu, Haitao Liu, Ruifeng Su, Zhiwei Lv

Proceedings Volume 9280, 92800F (2014) https://doi.org/10.1117/12.2068101

KEYWORDS: Distortion, Mathematical modeling, Optical mounts, Finite element methods, Optimization (mathematics), Analytical research, Chemical elements, Frequency conversion, National Ignition Facility, Crystals

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Proceedings Article | 2 June 2014 Paper

Ultrahigh resolution optical spectrometry based on Brillouin dynamic grating

Yongkang Dong, Taofei Jiang, Lei Teng, Hongying Zhang, Liang Chen, Xiaoyi Bao, Zhiwei Lu

Proceedings Volume 9157, 91572U (2014) https://doi.org/10.1117/12.2059406

KEYWORDS: Single mode fibers, Spectroscopy, Spectral resolution, Birefringence, Tunable lasers, Modulation, Optical resolution, Optical filters, Polarization, Fiber lasers

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Proceedings Article | 21 February 2014 Paper

The compression of ASE pulses using optical breakdown clipping in liquid

Pengyuan Du, Zhiwei Lu, Dianyang Lin

Proceedings Volume 9142, 91422B (2014) https://doi.org/10.1117/12.2054383

KEYWORDS: Liquids, Plasma, Excimer lasers, Plasma generation, Mirrors, Laser applications, Krypton, Luminescence, Fusion energy, Pulsed laser operation

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Proceedings Article | 15 October 2013 Paper

High-spatial-resolution fast Brillouin optical fiber sensor for distributed dynamic measurement based on differential double-pulse

Yongkang Dong, Taofei Jiang, Dengwang Zhou, Dexin Ba, Hongying Zhang, Zhiwei Lu, Liang Chen, Xiaoyi Bao

Proceedings Volume 8924, 892415 (2013) https://doi.org/10.1117/12.2031472

KEYWORDS: Spatial resolution, Microwave radiation, Fiber optics sensors, Polarization, Modulation, Signal to noise ratio, Fiber Bragg gratings, Electrooptic modulators, Data acquisition, Vibrometry

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Proceedings Article | 7 November 2012 Paper

Impacts of Kerr effect and fiber dispersion on long-range Brillouin optical time-domain analysis systems

Yongkang Dong, Hongying Zhang, Zhiwei Lu, Liang Chen, Xiaoyi Bao

Proceedings Volume 8421, 84219Z (2012) https://doi.org/10.1117/12.974984

KEYWORDS: Scanning probe microscopy, Dispersion, Kerr effect, Modulation, Gaussian pulse, Fiber optics sensors, Nonlinear optics, Signal attenuation, Optoelectronics

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Proceedings Article | 17 October 2012 Paper

Distributed birefringence measurement of a polarization maintaining fiber with a 20cm resolution over a 500m range based on Brillouin dynamic grating

Yongkang Dong, Hongying Zhang, Zhiwei Lu, Liang Chen, Xiaoyi Bao

Proceedings Volume 8421, 84211B (2012) https://doi.org/10.1117/12.974968

KEYWORDS: Birefringence, Polarization maintaining fibers, Spatial resolution, Fiber coatings, Coating, Scattering, Modulation, Phonons, Sensors

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Proceedings Article | 9 November 2010 Paper

Effect of hydroxyl group upon optical fiber sensors used in permanent downhole

Tao Hu, Yong Zhao, Zhiwei Lv

Proceedings Volume 7853, 78533P (2010) https://doi.org/10.1117/12.871652

KEYWORDS: Optical fibers, Absorption, Fiber optics sensors, Temperature metrology, Resistance, Carbon, Sensors, Glasses, Hydrogen, Chemical analysis

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