Dr. Zhengyong Liu Profile

Dr. Zhengyong Liu

at Hong Kong Polytechnic Univ

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Author

Publications (10)

Proceedings Article | 28 August 2019 Paper

Omnidirectional vibration sensor based on fiber Bragg gratings in a seven-core fiber

Jingxian Cui, Zhengyong Liu, Dinusha Serandi Gunawardena, Hwa-Yaw Tam

Proceedings Volume 11199, 111992P (2019) https://doi.org/10.1117/12.2538864

KEYWORDS: Active vibration control, Sensors, Fiber Bragg gratings, Fiber optics sensors, Photonics, Fiber optics

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Proceedings Article | 28 August 2019 Paper

Characterization of FBGs inscribed in silica/silicone hybrid microstructured optical fibers

Dinusha Gunawardena, Zhengyong Liu, On kit Law, Xiaoxuan Zhong, Bin Zhou, Hwa-Yaw Tam

Proceedings Volume 11199, 111992O (2019) https://doi.org/10.1117/12.2538831

KEYWORDS: Fiber Bragg gratings, Ultraviolet radiation, Structured optical fibers, Silica, Optical fibers, Silicon, Reflection, Thin films, Temperature metrology, Micro optical fluidics

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Proceedings Article | 23 April 2017 Paper

Miniature FBG-based fluidic flowmeter to measure hot oil and water

Zhengyong Liu, Lin Htein, Lun-Kai Cheng, Quincy Martina, Rob Jansen, Hwa-Yaw Tam

Proceedings Volume 10323, 1032336 (2017) https://doi.org/10.1117/12.2264880

KEYWORDS: Temperature metrology, Multimode fibers, Optical fibers, Optical pumping, Fluid dynamics, Head, Sensors, Fiber Bragg gratings, Microfluidics, Water

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Proceedings Article | 30 May 2016 Paper

Hydrostatic pressure sensor based on fiber Bragg grating written in single-ring suspended fiber

Lin Htein, Zhengyong Liu, Hwa-Yaw Tam

Proceedings Volume 9916, 99161R (2016) https://doi.org/10.1117/12.2235842

KEYWORDS: Fiber Bragg gratings, Sensors, Single mode fibers, Mechanical sensors, Optical fibers, Cladding, Structured optical fibers, Micro optical fluidics, Silica, Temperature metrology, Refractive index

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Proceedings Article | 11 March 2016 Paper

Efficient ytterbium-doped phosphosilicate double-clad leakage-channel-fiber laser at 1008-1020 nm

Guancheng Gu, Zhengyong Liu, Fanting Kong, Hwayaw Tam, Ramesh Shori, Liang Dong

Proceedings Volume 9728, 97282Q (2016) https://doi.org/10.1117/12.2200999

KEYWORDS: Fiber lasers, Quantum efficiency, Ytterbium, Cladding, Fiber Bragg gratings, Diodes, Fiber amplifiers, Laser development, Reflectivity, Silica, Absorption, Laser applications

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Proceedings Article | 28 September 2015 Paper

Fiber optic anemometer based on metal infiltrated microstructured optical fiber inscribed with Bragg grating

Jie Wang, Shaorui Gao, Zhengyong Liu, A. Ping Zhang, Yonghang Shen, Hwayaw Tam

Proceedings Volume 9634, 96341M (2015) https://doi.org/10.1117/12.2194536

KEYWORDS: Fiber Bragg gratings, Metals, Structured optical fibers, Wind measurement, Fiber optics, Temperature metrology, Micro optical fluidics, Absorption, Integrated optics, Optical fibers

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Proceedings Article | 2 June 2014 Paper

In-line photonic crystal fiber optofluidic refractometer

Chuang Wu, Ming-Leung Vincent Tse, Zhengyong Liu, A. Ping Zhang, Bai-Ou Guan, Hwa-Yaw Tam

Proceedings Volume 9157, 91578H (2014) https://doi.org/10.1117/12.2059598

KEYWORDS: Microfluidics, Refractive index, Photonic crystal fibers, Sensors, Single mode fibers, Water, Sagnac interferometers, Waveguides, Finite element methods, Optical fibers

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Proceedings Article | 2 June 2014 Paper

Open cavity Fabry-Pérot interferometric refractometer based on C-shaped fiber

Chuang Wu, Zhengyong Liu, A. Ping Zhang, Bai-Ou Guan, Hwa-Yaw Tam

Proceedings Volume 9157, 91572F (2014) https://doi.org/10.1117/12.2059594

KEYWORDS: Refractive index, Liquids, Water, Sensors, Single mode fibers, Thermal optics, Optical fibers, Interferometry, Interferometers, Scanning electron microscopy

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Proceedings Article | 2 June 2014 Paper

Microfluidic device integrated with FBG in Co2+-doped fiber to measure flow rate with nL/s sensitivity

Zhengyong Liu, A. Ping Zhang, Hwa-Yaw Tam

Proceedings Volume 9157, 91573I (2014) https://doi.org/10.1117/12.2059244

KEYWORDS: Fiber Bragg gratings, Microfluidics, Capillaries, Sensors, Fiber lasers, Liquids, Temperature metrology, Optical fibers, Absorption, Scanning electron microscopy

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Proceedings Article | 7 November 2012 Paper

Hydrostatic pressure sensor using two-core photonic crystal fiber

Zhengyong Liu, Ming-Leung Vincent Tse, Daru Chen, Chao Lu, Hwa-Yaw Tam

Proceedings Volume 8421, 842170 (2012) https://doi.org/10.1117/12.970388

KEYWORDS: Sensors, Photonic crystal fibers, Interferometers, Single mode fibers, Fabrication, Refractive index, Capillaries, Birefringence, Solids, Fiber optics sensors

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Showing 5 of 10 publications

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