Now showing items 1-2 of 2

    • Apparatus and method for volumetric dilatometry 

      Virginia Polytechnic Institute and State University; Duncan, Paul G.; Christian, Sean M.; Shinpaugh, Kevin Anthony; Marand, Herve (United States Patent and Trademark Office, 2004-04-06)
      Disclosed is a novel apparatus and method for volumetric dilatometry. A volumetric dilatometer includes an optical displacement sensor and a means for using a gap measurement obtained from the displacement sensor application ...
    • Spatially-weighted two-mode optical fiber sensors 

      Center for Innovative Technology; Virginia Polytechnic Institute and State University; Virginia Tech Intellectual Properties, Inc.; Murphy, Kent A.; Claus, Richard O.; Vengsarkar, Ashish; Fogg, Brian R.; Gunther, Michael F. (United States Patent and Trademark Office, 1993-06-29)
      Tapered two-mode optic fibers are used as sensors with sensitivity varying as a function of length. The optical fiber sensors act as vibrational-mode filters thereby performing initial signal processing of the sensor signal. ...