Dr. Yong Zhao Profile

Dr. Yong Zhao

at Tsinghua Univ

SPIE Involvement:

Author

Publications (18)

Proceedings Article | 19 February 2008 Paper

Micro-vibration or displacement measurement based on a novel Bragg grating pair

Bao-jin Peng, Yong Zhao, Chao-fu Ying, Yun-tao Liu, Hui Wang

Proceedings Volume 6625, 662520 (2008) https://doi.org/10.1117/12.791238

KEYWORDS: Fiber Bragg gratings, Cladding, Sensors, Fiber optics sensors, Sensing systems, Microelectromechanical systems, Temperature metrology, Mechanical sensors, Land mines, Vibrometry

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Proceedings Article | 24 January 2008 Paper

Novel liquid photoacoustic cells with inner multi-beam photoacoustic source

Jian Yang, Yong Zhao, Shi-Yuan Yang

Proceedings Volume 6829, 68291X (2008) https://doi.org/10.1117/12.757794

KEYWORDS: Photoacoustic spectroscopy, Acoustics, Liquids, Reflection, Sensors, Absorbance, Mathematical modeling, Laser energy, Absorption, Mirrors

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Proceedings Article | 1 February 2006 Paper

Two novel methods for liquid refractive index or concentration measurement using reflex fiber optic sensors

Bao-jin Peng, Xu Wan, Hui Wang, Hong-zhen Jin, Yong Zhao

Proceedings Volume 6034, 603411 (2006) https://doi.org/10.1117/12.668124

KEYWORDS: Liquids, Refractive index, Fiber optics sensors, Sensors, Modulation, Water, Fiber optics, Charge-coupled devices, Structured optical fibers, Image processing

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Proceedings Article | 14 February 2005 Paper

Novel tilt measurement method based on self-demodulated FBG sensor and pendulum clinometer

Jian Yang, Yong Zhao, Shi-Yuan Yang, Yun Xu, Yan Zhao

Proceedings Volume 5634, (2005) https://doi.org/10.1117/12.571711

KEYWORDS: Fiber Bragg gratings, Sensors, Reflection, Light, Photodetectors, Sensing systems, Temperature metrology, Demodulation, Calibration, Signal processing

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Proceedings Article | 20 January 2005 Paper

High-accuracy measurement of low-water-content in liquid using NIR spectral absorption method

Bao-Jin Peng, Xu Wan, Hong-Zhen Jin, Yong Zhao, He-Fa Mao

Proceedings Volume 5633, (2005) https://doi.org/10.1117/12.570907

KEYWORDS: Near infrared, Liquids, Absorption, Optical filters, Fiber optics sensors, Sensor technology, Sensors, Optical testing, Light sources, Calibration

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Proceedings Article | 11 January 2005 Paper

Sensitive hydrogen peroxide content measurement technology using refractive-index-based optical device

Bao-jin Peng, Chao-Fu Ying, Hui-qun Ye, Yong Zhao, Yun-Tao Liu

Proceedings Volume 5642, (2005) https://doi.org/10.1117/12.571033

KEYWORDS: Hydrogen, Water, Refractive index, Sensors, Electrodes, Light sources, Optical testing, Optical components, Light, Calibration

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SPIE Journal Paper | 1 January 2005

Self-compensated high-pressure sensor with a high-birefringence fiber Bragg grating and a bulk modulus

Yong Zhao, Mingguo Zhao, Jian Yang

OE, Vol. 44, Issue 01, 014401, (January 2005) https://doi.org/10.1117/12.10.1117/1.1828470

KEYWORDS: Fiber Bragg gratings, Sensors, Polarization, Transducers, Signal detection, Optical testing, Temperature metrology, Refractive index, Optical engineering, Fiber optics sensors

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SPIE Journal Paper | 1 October 2004

High-accuracy low-water-content measurement of crude oil based on a near-infrared spectral absorption method

Yong Zhao, Jian Yang, Jin-Qi Wang, Fang-Xiao Gui

OE, Vol. 43, Issue 10, (October 2004) https://doi.org/10.1117/12.10.1117/1.1783291

KEYWORDS: Absorption, Near infrared, Optical filters, Fiber optics sensors, Sensor technology, Pollution, Error analysis, Liquids, Temperature metrology, Process control

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SPIE Journal Paper | 1 March 2004

Determination of saltwater concentration based on optical and electrical dual-differential methods

Yong Zhao, Min Rong, Yanbiao Liao

OE, Vol. 43, Issue 03, (March 2004) https://doi.org/10.1117/12.10.1117/1.1645254

KEYWORDS: Water, Refractive index, Ocean optics, Optical testing, Sensors, Temperature metrology, Electrodes, Light sources, Signal processing, Light

SPIE Journal Paper | 1 March 2003

Fiber optic off-focus sensor for surface topography measurement

Yong Zhao, Yanbiao Liao, Shurong Lai

OE, Vol. 42, Issue 03, (March 2003) https://doi.org/10.1117/12.10.1117/1.1539052

KEYWORDS: Fiber optics sensors, Sensors, Fiber optics, Distance measurement, Fiber optics tests, Charge-coupled devices, CCD image sensors, Reflection, Fiber couplers, 3D image reconstruction

SPIE Journal Paper | 1 February 2003

Research on measurement technology of internal MJ threads used for aerospace with a reflex fiber-optic sensor

Yong Zhao, Yanbiao Liao

OE, Vol. 42, Issue 02, (February 2003) https://doi.org/10.1117/12.10.1117/1.1532742

KEYWORDS: Sensors, Fiber optics sensors, Optical fibers, Aerospace engineering, Fiber couplers, Inspection, Signal processing, Reliability, Optical testing, Surface finishing

Proceedings Article | 9 September 2002 Paper

Experimental investigation of salinity measurement based on optical-electrical dual-differential methods

Yong Zhao, Bo Zhang, Yanbiao Liao, Shurong Lai

Proceedings Volume 4920, (2002) https://doi.org/10.1117/12.482024

KEYWORDS: Water, Calibration, Optical testing, Electrodes, Ocean optics, Refractive index, Light, Sensors, Signal processing

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Proceedings Article | 16 October 2001 Paper

Novel gap inspection method for gas turbine with total fiber optic system

Jun Wang, Yong Zhao, Lihua Liu, Pengsheng Li

Proceedings Volume 4602, (2001) https://doi.org/10.1117/12.445750

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Proceedings Article | 8 May 2001 Paper

Sensing with speed of light and simple structure: intensity modulated fiber optic sensors and their industrial applications

Yong Zhao, Pengsheng Li, Zhaobang Pu

Proceedings Volume 4416, (2001) https://doi.org/10.1117/12.427002

KEYWORDS: Sensors, Fiber optics sensors, Modulation, Photoelasticity, Reflectivity, Fiber optics, Light sources, Liquids, Inspection, Cladding

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Proceedings Article | 10 October 2000 Paper

Optical fiber interference target flowmeter II: damper design

Zhengnai Sun, Pengsheng Li, Xifu Qiang, Yong Zhao

Proceedings Volume 4222, (2000) https://doi.org/10.1117/12.403874

KEYWORDS: Optical fibers, Interferometers, Charge-coupled devices, Transparency, Signal processing, Sun, Lithium, Fiber optics sensors, Doppler effect, Environmental sensing

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Proceedings Article | 3 October 2000 Paper

Novel method for two-coordinate slope test with fiber optic sensor

Yong Zhao, Pengsheng Li, Zhaobang Pu, Zhengnai Sun

Proceedings Volume 4220, (2000) https://doi.org/10.1117/12.401714

KEYWORDS: Fiber optics sensors, Sensors, Gaussian beams, Single mode fibers, Fiber optics tests, Reflection, Optical matrix switches, Optical testing, Multimode fibers, Distance measurement

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Proceedings Article | 7 May 1999 Paper

MJ internal thread used for aerospace and its noncontact test method with a fiber optic sensor

Yong Zhao, Pengsheng Li, Zhaobang Pu

Proceedings Volume 3740, (1999) https://doi.org/10.1117/12.347727

KEYWORDS: Fiber optics sensors, Sensors, Optical fibers, Aerospace engineering, Head, Mathematical modeling, Reliability, Teeth, Distance measurement, Surface finishing

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Proceedings Article | 14 November 1997 Paper

New compensation method of an optical fiber reflective displacement sensor

Pengsheng Li, Hua Zhang, Yong Zhao, Ling-Zhi Yang

Proceedings Volume 3241, (1997) https://doi.org/10.1117/12.293521

KEYWORDS: Optical fibers, Sensors, Light, Reflectivity, Light sources, Fiber optics sensors, Optical resolution, Fiber optics tests, Fiber optics, Semiconductor lasers

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Showing 5 of 18 publications

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