Prof. Yongkang Dong Profile

Prof. Yongkang Dong

at Harbin Institute of Technology

SPIE Involvement:

Author

Publications (41)

Proceedings Article | 5 December 2024 Paper

Phase perturbation analysis for transient response of forward Brillouin scattering in acoustic impedance sensing

Tianfu Li, Yongkang Dong

Proceedings Volume 13418, 1341835 (2024) https://doi.org/10.1117/12.3048669

KEYWORDS: Scattering, Kerr effect, Light scattering, Optical fibers, Modulation, Analytical research, Acoustics, Transient nonlinear optics, Phase shift keying, Phase modulation

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Proceedings Article | 26 July 2022 Paper

Fault warning and analysis of power OPGW optical cables based on BOTDR/A

Xia Meng, Xiaohui Tang, Ying Wang, Can Li, Taofei Jiang, Peng Guan, Jinglin Sui, Yongkang Dong

Proceedings Volume 12279, 122790A (2022) https://doi.org/10.1117/12.2616504

KEYWORDS: Optical fiber cables, Optical fibers, Spatial resolution, Signal to noise ratio, Temperature metrology, Fusion splicing, Mahalanobis distance, Safety, Interference (communication), Fiber optics

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Proceedings Article | 27 March 2022 Paper

High-sensitivity and fast distributed optical fiber pressure sensor

Liqiang Qiu, Wenjuan Guo, Qiang Ding, Guanghui Wang, Yue Wang, Yongkang Dong

Proceedings Volume 12169, 121697X (2022) https://doi.org/10.1117/12.2625078

KEYWORDS: Rayleigh scattering, Optical fibers, Light scattering, Single mode fibers, Sensors, Scattering, Modulation, Time metrology, Temperature metrology, Channel projecting optics

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Proceedings Article | 27 March 2022 Paper

Novel fiber optic distributed refractive index sensing method by optical frequency domain reflectometry

Zongda Zhu, Yongkang Dong

Proceedings Volume 12169, 121697W (2022) https://doi.org/10.1117/12.2625075

KEYWORDS: Fiber optics sensors, Fiber optics, Temperature metrology, Sensing systems, Backscatter, Refractive index, Interferometers, Water, Sensors, Diffusion

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Proceedings Article | 9 October 2021 Presentation + Paper

Brillouin optical fiber sensing via optical chirp chain for ultrafast distributed measurement

Henan Wang, Zongda Zhu, Dengwang Zhou, Dexin Ba, Yongkang Dong

Proceedings Volume 11902, 1190204 (2021) https://doi.org/10.1117/12.2600861

KEYWORDS: Modulation, Ultrafast phenomena, Optical sensing, Optical fibers, Distortion, Signal to noise ratio, Distance measurement, Ultrafast measurement systems, Spatial resolution, Frequency modulation

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Proceedings Article | 18 June 2021 Paper

Research of spectral distortion in optical chirp chain Brillouin optical time-domain analysis sensing

Henan Wang, Jindong Bai, Dengwang Zhou, Dexin Ba, Yongkang Dong

Proceedings Volume 11850, 118500C (2021) https://doi.org/10.1117/12.2599255

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Proceedings Article | 18 June 2021 Paper

Distributed optical fiber sensing based on the combination of Brillouin and Rayleigh scattering

Lamessa Abebe Ayana, Qi Chu, Yulin Pei, Liqiang Qiu, Dexin Ba, Yongkang Dong

Proceedings Volume 11850, 118500D (2021) https://doi.org/10.1117/12.2599257

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Proceedings Article | 18 June 2021 Paper

Dynamic distributed Brillouin optical fiber pressure sensor

Liqiang Qiu, Qi Chu, Tianfu Li, Yongkang Dong

Proceedings Volume 11850, 118500F (2021) https://doi.org/10.1117/12.2599261

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Proceedings Article | 18 June 2021 Paper

Multiplexing of fiber Fabry-Perot interferometer for multi-point refractive index sensing application

Zongda Zhu, Shunhu Yang, Yongkang Dong

Proceedings Volume 11850, 118500E (2021) https://doi.org/10.1117/12.2599260

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Proceedings Article | 8 January 2021 Paper

Brillouin scattering in micro-nano fiber

DeXin Ba, TianFu Li, XiaoPei Zhang, YongKang Dong

Proceedings Volume 11607, 116070C (2021) https://doi.org/10.1117/12.2585348

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Proceedings Article | 8 January 2021 Paper

Distributed optical fiber pressure sensor based on Brillouin scattering

Liqiang Qiu, Zongda Zhu, Henan Wang, Yongkang Dong

Proceedings Volume 11607, 1160707 (2021) https://doi.org/10.1117/12.2584894

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Proceedings Article | 8 January 2021 Paper

Test of offshore wind generator pile foundation based on distributed Brillouin optical fiber sensing

Zhiyuan Yang, Hongying Zhang, Peng Guan, Yongkang Dong

Proceedings Volume 11607, 116070I (2021) https://doi.org/10.1117/12.2585469

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Proceedings Article | 8 January 2021 Paper

Fast Brillouin optical time-domain analysis using compressed sensing

Qi Chu, Benzhang Wang, Henan Wang, Dexin Ba, Yongkang Dong

Proceedings Volume 11607, 116070B (2021) https://doi.org/10.1117/12.2585297

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Proceedings Article | 12 March 2020 Paper

Distributed salinity sensor based on Brillouin dynamic grating

Lei Teng, Yongkang Dong

Proceedings Volume 11436, 114360Q (2020) https://doi.org/10.1117/12.2549955

KEYWORDS: Sensors, Birefringence, Spatial resolution, Fiber optics sensors, Modulation, Water, Chemical detection, Light scattering

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Proceedings Article | 23 April 2017 Paper

A liquid level sensing system based on high attenuation fiber and DPP-BOTDA

Hongying Zhang, Ziye Liu, Zhijun Yuan, Wei Gao, Yongkang Dong

Proceedings Volume 10323, 103236R (2017) https://doi.org/10.1117/12.2263958

KEYWORDS: Fiber Bragg gratings, Data acquisition, Fiber optics sensors, Sensing systems, Signal attenuation, Liquids, Temperature metrology, Interfaces, Diffusion, Optical fibers

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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 | 23 April 2017 Paper

Distributed hydrostatic pressure sensor using a thin-diameter and polarization-maintaining photonics crystal fiber based on Brillouin dynamic gratings

Lei Teng, Yongkang Dong, Dengwang Zhou, Xiaoyi Bao, Liang Chen

Proceedings Volume 10323, 103236Q (2017) https://doi.org/10.1117/12.2263938

KEYWORDS: Sensors, Photonic crystal fibers, Fiber optics sensors, Optical sensing, Birefringence, Spatial resolution, Temperature metrology, Fiber Bragg gratings, Tunable lasers, Silica

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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 | 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

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

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

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 | 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 | 11 November 2014 Paper

Very high-resolution optical spectral analysis based on Brillouin dynamic gratings

Yongkang Dong, Taofei Jiang

Proceedings Volume 9274, 92740K (2014) https://doi.org/10.1117/12.2073419

KEYWORDS: Single mode fibers, Birefringence, Spectral resolution, Spectroscopy, Optical resolution, Tunable lasers, Acoustics, Laser scattering, Modulation, Fiber lasers

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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 | 8 March 2014 Paper

Research on fatigue damage detection for wind turbine blade based on high-spatial-resolution DPP-BOTDA

Jinlong Xu, Yongkang Dong, Hui Li

Proceedings Volume 9061, 906130 (2014) https://doi.org/10.1117/12.2044840

KEYWORDS: Optical fibers, Damage detection, Sensing systems, Spatial resolution, Adhesives, Sensors, Scattering, Signal to noise ratio, Temperature metrology, Wind turbine technology

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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 | 19 May 2011 Paper

High-axial-resolution distributed lateral displacement measurement based on differential pulse-width pair BOTDA

Yongkang Dong, Xiaoyi Bao, Liang Chen

Proceedings Volume 7753, 7753A8 (2011) https://doi.org/10.1117/12.899386

KEYWORDS: Spatial resolution, Sensors, Fiber optics sensors, Optical fibers, Baryon acoustic oscillations, Polarization, Signal detection, Lithium, Multiplexing, Metrology

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Proceedings Article | 17 May 2011 Paper

Characteristics of stimulated Rayleigh scattering in optical fibers

Tao Zhu, Xiaoyi Bao, Liang Chen, Hao Liang, Yongkang Dong

Proceedings Volume 7753, 77532R (2011) https://doi.org/10.1117/12.884990

KEYWORDS: Rayleigh scattering, Optical fibers, Fiber lasers, Polarization, Liquids, Scattering, Single mode fibers, Optical filters, Glasses, Signal detection

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Proceedings Article | 17 May 2011 Paper

High performance Brillouin strain and temperature sensor based on frequency division multiplexing using nonuniform fibers over 75km fiber

Yongkang Dong, Xiaoyi Bao, Liang Chen

Proceedings Volume 7753, 77533H (2011) https://doi.org/10.1117/12.885222

KEYWORDS: Optical fibers, Spatial resolution, Frequency division multiplexing, Baryon acoustic oscillations, Fiber optics sensors, Signal to noise ratio, Scattering, Temperature sensors, Lithium

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Proceedings Article | 17 May 2011 Paper

100km sensing range Brillouin optical time domain analysis based on time-division multiplexing

Yongkang Dong, Xiaoyi Bao, Liang Chen

Proceedings Volume 7753, 775308 (2011) https://doi.org/10.1117/12.885224

KEYWORDS: Spatial resolution, Time division multiplexing, Signal to noise ratio, Fiber optics sensors, Scattering, Baryon acoustic oscillations, Sensors, Optical sensing, Signal attenuation

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Proceedings Article | 17 May 2011 Paper

A novel optical fiber current sensor using polarization diversity and a Faraday rotation mirror cavity

Hongying Zhang, Yongkang Dong, Jesse Leeson, Liang Chen, Xiaoyi Bao

Proceedings Volume 7753, 77531J (2011) https://doi.org/10.1117/12.885371

KEYWORDS: Sensors, Signal detection, Polarization, Signal to noise ratio, Optical fibers, Mirrors, Magnetism, Interference (communication), Birefringence, Fiber optics sensors

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Proceedings Article | 20 April 2010 Paper

Pushing the limit of the distributed Brillouin sensors for the sensing length and the spatial resolution

Xiaoyi Bao, Hao Liang, Yongkang Dong, Wenhai Li, Yun Li, Liang Chen

Proceedings Volume 7677, 767702 (2010) https://doi.org/10.1117/12.849018

KEYWORDS: Spatial resolution, Signal to noise ratio, Sensors, Sensing systems, Distortion, Signal attenuation, Optical amplifiers, Polarization, Signal processing, Scattering

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Proceedings Article | 14 October 2009 Paper

High spatial resolution and long-distance BOTDA using differential Brillouin gain in a dispersion shifted fiber

Yongkang Dong, Xiaoyi Bao

Proceedings Volume 7503, 750384 (2009) https://doi.org/10.1117/12.848676

KEYWORDS: Spatial resolution, Signal attenuation, Single mode fibers, Signal to noise ratio, Sensing systems, Modulation, Fiber optics sensors, Sensors, Signal detection

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Proceedings Article | 14 October 2009 Paper

Novel distributed birefringence measurement based on transient Brillouin grating in polarization-maintaining fibers and its application in sensing

Yongkang Dong, Xiaoyi Bao, Liang Chen, Yuelan Lv

Proceedings Volume 7503, 75037Y (2009) https://doi.org/10.1117/12.848675

KEYWORDS: Birefringence, Phase modulation, Temperature metrology, Spatial resolution, Optical fibers, Polarization maintaining fibers, Scattering, Light scattering, Baryon acoustic oscillations, Photonic crystal fibers

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Proceedings Article | 5 October 2009 Paper

Frequency-shifted light storage in a photonics crystal fiber via stimulated Brillouin scattering

Yongkang Dong, Xiaoyi Bao, Wenhai Li, Yun Li

Proceedings Volume 7503, 75032D (2009) https://doi.org/10.1117/12.834917

KEYWORDS: Acoustics, Light scattering, Scattering, Data storage, Photonic crystal fibers, Polarization, Single mode fibers, Optical fibers, Baryon acoustic oscillations, Lithium

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Proceedings Article | 5 October 2009 Paper

12-km distributed fiber sensor based on differential pulse-width pair BOTDA

Yongkang Dong, Xiaoyi Bao, Wenhai Li

Proceedings Volume 7503, 75032G (2009) https://doi.org/10.1117/12.834919

KEYWORDS: Spatial resolution, Signal to noise ratio, Signal attenuation, Fiber optics sensors, Baryon acoustic oscillations, Lithium, Signal detection, Scattering, Optical fibers

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Proceedings Article | 6 December 2005 Paper

The influence of seed on optical limiting pulse reshaping in stimulated Brillouin scattering process

Yue-lan Lü, Zhi-wei Lü, Yongkang Dong

Proceedings Volume 6019, 60191Q (2005) https://doi.org/10.1117/12.632062

KEYWORDS: Optical limiting, Scattering, Pulsed laser operation, Computer simulations, Phonons, Electroluminescence, Einsteinium, Lutetium, Laser applications, Shape analysis

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Proceedings Article | 8 June 2005 Paper

Power and energy limiting of nanosecond laser pulses by thin stimulated Brillouin scattering cell

Yuelan Lu, Zhiwei Lu, Yongkang Dong

Proceedings Volume 5851, (2005) https://doi.org/10.1117/12.633902

KEYWORDS: Optical limiting, Laser scattering, Scattering, Pulsed laser operation, Acoustics, Laser energy, Optical simulations, Nonlinear optics, Absorption, Transient nonlinear optics

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Showing 5 of 41 publications

Conference Committee Involvement (3)

Real-time Photonic Measurements, Data Management, and Processing VII

16 October 2023 | Beijing, China

Real-time Photonic Measurements, Data Management, and Processing VI

10 October 2021 | Nantong, JS, China

Real-time Photonic Measurements, Data Management, and Processing V

12 October 2020 | Online Only, China

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