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    • 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. ...