Dr. Yang Zhao Profile

Dr. Yang Zhao

at Univ of Illinois at Chicago

SPIE Involvement:

Author

Publications (24)

PROCEEDINGS ARTICLE | March 16, 2006

Non-destructive condition evaluation of stress in steel cable using magnetoelastic technology

Proc. SPIE. 6178, Nonintrusive Inspection, Structures Monitoring, and Smart Systems for Homeland Security

KEYWORDS: Ferromagnetics, Sensors, Calibration, Magnetism, Nondestructive evaluation, Bridges, Magnetic sensors, Sensor calibration, Sensor technology, Temperature metrology

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PROCEEDINGS ARTICLE | May 17, 2005

Application of EM stress sensors in large steel cables

Proc. SPIE. 5765, Smart Structures and Materials 2005: Sensors and Smart Structures Technologies for Civil, Mechanical, and Aerospace Systems

KEYWORDS: Ferromagnetics, Sensors, Calibration, Reliability, Magnetism, Bridges, Magnetic sensors, Sensor technology, Magnetostrictive materials, Temperature metrology

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PROCEEDINGS ARTICLE | May 17, 2005

Bridge health assessment system with fatigue analysis algorithm

Proc. SPIE. 5765, Smart Structures and Materials 2005: Sensors and Smart Structures Technologies for Civil, Mechanical, and Aerospace Systems

KEYWORDS: Aerospace engineering, Sensors, Reliability, Fourier transforms, Mathematics, Bridges, Epoxies, Smart structures, Smart materials, Fuzzy logic

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PROCEEDINGS ARTICLE | July 29, 2004

Smart health monitoring system for a prestressed concrete bridge

Proc. SPIE. 5391, Smart Structures and Materials 2004: Sensors and Smart Structures Technologies for Civil, Mechanical, and Aerospace Systems

KEYWORDS: Internet, Statistical analysis, Sensors, Databases, Computing systems, Data archive systems, Data processing, Structural health monitoring, Bridges, Rule based systems

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PROCEEDINGS ARTICLE | July 14, 2004

Design and experimental validation of a wireless PVDF displacement sensor for structure monitoring

Proc. SPIE. 5395, Nondestructive Detection and Measurement for Homeland Security II

KEYWORDS: Transceivers, Sensors, Calibration, Interfaces, Amplifiers, Sensor networks, Data acquisition, Capacitance, Transducers, Ferroelectric polymers

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PROCEEDINGS ARTICLE | October 18, 2002

Surface profiling method for large aspheres: diffraction image-forming approach

Proc. SPIE. 4902, Optomechatronic Systems III

KEYWORDS: Optical components, Diffraction, Fourier transforms, Image resolution, Profiling, Aspheric lenses, Charge-coupled devices, Optical alignment, Synchrotron radiation, Prototyping

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PROCEEDINGS ARTICLE | November 11, 1999

Two error sources in grating projection profilometry: analysis and compensation

Proc. SPIE. 3782, Optical Manufacturing and Testing III

KEYWORDS: Mathematical modeling, Fringe analysis, Calibration, Error analysis, Numerical simulations, Profiling, Analytical research, Phase measurement, Algorithm development, Information operations

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PROCEEDINGS ARTICLE | November 4, 1999

Design of temporal phase unwrapping algorithms

Proc. SPIE. 3898, Photonic Systems and Applications in Defense and Manufacturing

KEYWORDS: Mathematical modeling, Fringe analysis, Lithium, Calibration, Error analysis, Interferometry, Distance measurement, Aluminum, Charge-coupled devices, Phase measurement

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PROCEEDINGS ARTICLE | November 4, 1999

Shape measurement of objects with large discontinuities and surface isolations using complementary grating projection

Proc. SPIE. 3898, Photonic Systems and Applications in Defense and Manufacturing

KEYWORDS: Mathematical modeling, Eye, Fringe analysis, Phase shifting, Calibration, CCD cameras, Projection systems, Charge-coupled devices, Phase measurement, Phase shifts

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PROCEEDINGS ARTICLE | May 7, 1999

Nonlinear excess fraction method: a robust temporal phase-unwrapping algorithm

Proc. SPIE. 3740, Optical Engineering for Sensing and Nanotechnology (ICOSN '99)

KEYWORDS: Lithium, Modulation, Calibration, Reliability, Phase shift keying, Profiling, 3D metrology, Profilometers, Projection systems, Phase measurement

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SPIE Journal Paper | February 1, 1999

Heterodyne absolute distance interferometer with a dual-mode HeNe laser

Zhao, Yang , Zhou, Ting , Li, Dacheng

OE Vol. 38 Issue 02

KEYWORDS: Interferometers, Heterodyning, Distance measurement, Bragg cells, Phase measurement, Helium neon lasers, Polarization, Interferometry, Lithium, Sensors

PROCEEDINGS ARTICLE | November 1, 1997

Application of LD-pumped Nd:YVO4 microchip laser for absolute distance measurement

Proc. SPIE. 3134, Optical Manufacturing and Testing II

KEYWORDS: Ferroelectric materials, Modulation, Interferometers, Interferometry, Semiconductor lasers, Frequency modulation, Distance measurement, Solids, Laser crystals, Neodymium lasers

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PROCEEDINGS ARTICLE | November 1, 1997

Optical fiber superheterodyne interferometer with a two-wavelength HeNe laser for absolute distance inferometry

Proc. SPIE. 3134, Optical Manufacturing and Testing II

KEYWORDS: Optical fibers, Polarization, Interferometers, Interferometry, Wavefronts, Heterodyning, Distance measurement, Bragg cells, Helium neon lasers, Signal detection

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PROCEEDINGS ARTICLE | July 7, 1997

Measuring coaxiality and perpendicularity of the axis-to-end plane using optical method

Proc. SPIE. 3174, Videometrics V

KEYWORDS: Diffraction, Fiber lasers, Semiconductor lasers, CCD cameras, Charge-coupled devices, CCD image sensors

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PROCEEDINGS ARTICLE | July 7, 1997

CCD probe: application of linear array CCD in large-dimension measurement

Proc. SPIE. 3174, Videometrics V

KEYWORDS: Laser scanners, Detector arrays, Signal processing, Charge-coupled devices, 3D scanning

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PROCEEDINGS ARTICLE | October 3, 1996

Improved signal processing method for dynamically measuring radius of large precision centrifuge

Proc. SPIE. 2899, Automated Optical Inspection for Industry

KEYWORDS: Retroreflectors, Interferometers, Sensors, Calibration, Video, Laser processing, Signal processing, Phase measurement, Multiplexers, Signal detection

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PROCEEDINGS ARTICLE | July 19, 1996

New type of common-path heterodyne profilometer

Proc. SPIE. 2861, Laser Interferometry VIII: Applications

KEYWORDS: Optical components, Beam splitters, Lithium, Interferometers, Surface roughness, Heterodyning, Profilometers, Beam shaping, Radium, Signal detection

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PROCEEDINGS ARTICLE | July 17, 1996

Improved signal processing method for heterodyne interferometer

Proc. SPIE. 2860, Laser Interferometry VIII: Techniques and Analysis

KEYWORDS: Signal to noise ratio, Interferometers, Sensors, Calibration, Video, Manufacturing, Heterodyning, Signal processing, Phase measurement, Signal detection

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PROCEEDINGS ARTICLE | June 14, 1995

Heterodyne interferometer with a dual-mode HeNe laser for absolute distance interferometry

Proc. SPIE. 2544, Interferometry VII: Techniques and Analysis

KEYWORDS: Interferometers, Interferometry, Heterodyning, Signal processing, Distance measurement, Laser stabilization, Laser interferometry, Phase measurement, Bragg cells, Helium neon lasers

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PROCEEDINGS ARTICLE | August 5, 1994

Noncontact measuring profile of magnetic disk with optical methods

Proc. SPIE. 2321, Second International Conference on Optoelectronic Science and Engineering '94

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PROCEEDINGS ARTICLE | October 22, 1993

New method of large-scale absolute distance measurement

Proc. SPIE. 2066, Industrial Optical Sensing and Metrology: Applications and Integration

KEYWORDS: Mirrors, Beam splitters, Ferroelectric materials, Metrology, Optical sensing, Modulation, Interferometers, Semiconductor lasers, Distance measurement, Laser metrology

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PROCEEDINGS ARTICLE | September 22, 1993

Research on noncontact flatness measurement of magnetic disk with optical heterodyne interferometer

Proc. SPIE. 2101, Measurement Technology and Intelligent Instruments

KEYWORDS: Moire patterns, Lithium, Interferometers, Glasses, Magnetism, Computing systems, Head, Heterodyning, Bragg cells, Disk lasers

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PROCEEDINGS ARTICLE | September 22, 1993

Signal processing of fiber-displacement sensor with linear-frequency-modulation laser diode

Proc. SPIE. 2101, Measurement Technology and Intelligent Instruments

KEYWORDS: Optical fibers, Modulation, Doppler effect, Interferometers, Sensors, Fiber optics sensors, Semiconductor lasers, Heterodyning, Frequency modulation, Signal processing

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PROCEEDINGS ARTICLE | July 1, 1990

High-resolution optical fiber heterodyne interferometer for measuring displacement

Proc. SPIE. 1319, Optics in Complex Systems

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Showing 5 of 24 publications

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