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

Proc. SPIE. 11162, High Power Lasers: Technology and Systems, Platforms, Effects III

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

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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

Proc. SPIE. 10964, Tenth International Conference on Information Optics and Photonics

KEYWORDS: Signal to noise ratio, Optical fibers, Fiber amplifiers, Optical amplifiers, Fiber Bragg gratings, Scattering, LIDAR, 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

Proc. SPIE. 10710, Young Scientists Forum 2017

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

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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

Proc. SPIE. 10323, 25th International Conference on Optical Fiber Sensors

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

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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

Proc. SPIE. 10323, 25th International Conference on Optical Fiber Sensors

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

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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

Proc. SPIE. 10026, Real-time Photonic Measurements, Data Management, and Processing II

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

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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

Proc. SPIE. 9634, 24th International Conference on Optical Fibre Sensors

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

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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

Proc. SPIE. 9634, 24th International Conference on Optical Fibre Sensors

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

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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

Proc. SPIE. 9634, 24th International Conference on Optical Fibre Sensors

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

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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

Proc. SPIE. 9634, 24th International Conference on Optical Fibre Sensors

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

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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

Proc. SPIE. 9656, International Symposium on Photonics and Optoelectronics 2015

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

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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

Proc. SPIE. 9280, 7th International Symposium on Advanced Optical Manufacturing and Testing Technologies: Large Mirrors and Telescopes

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

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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

Proc. SPIE. 9157, 23rd International Conference on Optical Fibre Sensors

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

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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

Proc. SPIE. 9142, Selected Papers from Conferences of the Photoelectronic Technology Committee of the Chinese Society of Astronautics: Optical Imaging, Remote Sensing, and Laser-Matter Interaction 2013

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

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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

Proc. SPIE. 8924, Fourth Asia Pacific Optical Sensors Conference

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

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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

Proc. SPIE. 8421, OFS2012 22nd International Conference on Optical Fiber Sensors

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

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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

Proc. SPIE. 8421, OFS2012 22nd International Conference on Optical Fiber Sensors

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

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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

Proc. SPIE. 7853, Advanced Sensor Systems and Applications IV

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

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Proceedings Article | 10 June 2006 Paper

Temporal characteristics of active stimulated Brillouin scattering optical limiting

Yulei Wang, Zhiwei Lü, Dexin Ba