Adaptive Holographic Interferometry for Surface Acoustic Wave Detection


Objective

To develop robust adaptive holographic interferometers using wave-mixing in photorefractive crystals to detect ultrasound on rough surfaces.

 

Details

Note: The following require Adobe Acrobat to view.

  • PowerPoint Overview
  • Selected Publications
    • Hemmo Tuovinen and Sridhar Krishnaswamy, (1998), "Directionally-Sensitive Adaptive Heterodyne Line Receiver for Ultrasound Detection on Rough Surfaces," Applied Physics Letters, vol. 73, No. 16, pp2236-2238.
    • B.F. Pouet, R.K. Ing, Sridhar Krishnaswamy, and D. Royer, (1996) "Heterodyne interferometer using two wave mixing in photrefractive crystals for ultrasound detection on rough surfaces," Applied Physics Letters, vol. 69, No. 25.
 

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