Center for Quality Engineering & Failure Prevention

Northwestern University

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RESEARCH PROJECTS:

Photo-Acoustic Characterization of Materials:

· Femtosecond Photo-acoustic characterization of ultrathin films

· Photo-acoustic Materials Characterization of Coatings

· Photo-acoustic Characterization of Thin Film MEMS Structures

· Scanning Laser Source Technique for Surface-Breaking Cracks

· Photoacoustic Process Monitoring of Composites

Ultrasonic Imaging Camera

· Real-time ultrasonic imaging camera

Ultrasonic Nonlinearity for Fatigue Damage Characterization

· Fatigue damage prognosis using ultrasonic nonlinearity

Fiber-Optic Sensors:

· Mulitplexed Two-Wave Mixing Array Demodulator for Bragg-grating fiber sensors

Piezo-electric Sensors for Structural Health Monitoring:

· Modally-selective piezolelectric Lamb Wave Sensors

· Energy-harvested piezoelectric actuators

Selected Past Research Activities:

· Adaptive Holographic Interferometers Using Photorefractive Crystals for Ultrasound Detection

· Multiplexed Two-Wave Mixing Interferometry

· Dynamic Holographic Full-Field Interferometry

· Additive-Subtractive Speckle Interferometry

· Compact Polariscope/Shearing Interferometer for Fracture of Bimaterial Systems

· Fiber-Optic Ultrasound Sensors for Smart Structures Applications

· Intrinsic and Extrinsic Fiber-Optic Sagnac Ultrasound Sensors

· Intrinsic Fiber-Optic Ultrasound Generators

Northwestern University | McCormick School of Engineering | Mechanical Engineering |

Center for Quality Engineering and Failure Prevention, Rm 327, 2137 Tech Drive, Evanston IL, 60208-3020.

Phone: 847-491-4042, Fax: 847-491-5227

Last Updated 03/07/2007  World Wide Web Disclaimer and University Policy Statements © 2007 Northwestern University