Center for Quality Engineering & Failure Prevention

Fiber-Optic Sagnac Ultrasound Sensors

Faculty: Jan Achenbach, Sridhar Krishnaswamy
Research Fellow: Pavel Fomitchov
Sponsors: Air Force Office of Scientific Research, GE-CRD


Objective To develop intrinsic and extrinsic fiber-optic Sagnac Ultrasound Sensors.

Details Note: The following require Adobe Acrobat to view. PowerPoint Overview Selected Publications Pavel Fomitchov, Alex Kromine, Sridhar Krishnaswamy and J.D. Achenbach, (1999), "Sagnac-Type Fiber-Optic Array Sensor for Detection of Bulk Ultrasonic Waves," to appear in IEEE UFFC Transactions. P. Fomitchov, Sridhar Krishnaswamy and J.D. Achenbach, (1999), "Intrinsic and Extrinsic Sagnac Ultrasound Sensor," to appear in Optical Engineering. P. Fomitchov, Sridhar Krishnaswamy and J. D. Achenbach, (1997), "Compact phase-shifted Sagnac Interferometer for Ultrasound Detection," in Optics and Laser Technology, vol. 29, No. 6, pp.333-338, 1997.

For more information, contact: Prof. Sridhar Krishnaswamy Center for Quality Engineering Department of Mechanical Engineering Northwestern University 2137 N. Sheridan Road Evanston, IL 60208-3020 Tel: (847) 491-4006 Fax: (847) 491-5227