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Sensor Based on Producing Long Thin Holes in Optical Fibers
Case ID:
02.112
Web Published:
9/3/2012
This innovation consists of a novel optical fiber for use as a pressure sensing device. The optical fiber described includes a random, non-uniform array of holes along the length of the fiber created by a gas during the fiber drawing process. Sensitivity to applied load or pressure change is improved since the optical fiber experiences a large wavelength dependant increase in optical loss when pressure or force is applied. The optical fiber remains completely insensitive to changes in temperature or axial strain along the fiber.
Patent Information:
App Type
Country
Serial No.
Patent No.
File Date
Issued Date
Patent Status
US Utility
*United States
10/863,805
7,444,838
6/9/2004
11/4/2008
Issued
US Continuation
*United States
11/929,058
7,567,742
10/30/2007
7/28/2009
Abandoned
Category(s):
Communication
Chemicals
Devices
Diagnostic
Engineering
Imaging
Materials
Optics
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For Information, Contact:
Grant Brewer
Senior Licensing Associate
Virginia Tech Intellectual Properties, Inc.
(540) 443-9218
gbrewer@vtip.org
Inventors:
Gary Pickrell
Daniel Kominsky
Rogers Stolen
Jeong Kim
Anbo Wang
Ahmad Safaai-Jazi
Keywords: