Fiber optic position and/or shape sensing based on rayleigh scatter
Abstract
A fiber optic position and/or shape sensing device includes an optical fiber with either two or more single core optical fibers or a multi-core optical fiber having two or more fiber cores. In either case, the fiber cores are spaced apart so that mode coupling between the fiber cores is reduced, and preferably, minimized. The optical fiber is physically associated with an object. Strain on at least a portion of the optical fiber where it is associated with the object is determined by an OFDR using one or more Rayleigh scatter patterns for that portion of the optical fiber. The determined strain is used to determine a position and/or a shape of the object.
- Inventors:
- Issue Date:
- Research Org.:
- Luna Innovations, Roanoke, VA (United States)
- Sponsoring Org.:
- USDOE
- OSTI Identifier:
- 1531643
- Patent Number(s):
- 7772541
- Application Number:
- 12/047,056
- Assignee:
- Luna Innnovations Incorporated (Roanoke, VA)
- Patent Classifications (CPCs):
-
A - HUMAN NECESSITIES A61 - MEDICAL OR VETERINARY SCIENCE A61B - DIAGNOSIS
G - PHYSICS G01 - MEASURING G01D - MEASURING NOT SPECIALLY ADAPTED FOR A SPECIFIC VARIABLE
- DOE Contract Number:
- SF 6432-FP
- Resource Type:
- Patent
- Resource Relation:
- Patent File Date: 2008-03-12
- Country of Publication:
- United States
- Language:
- English
Citation Formats
Froggatt, Mark E., and Duncan, Roger G. Fiber optic position and/or shape sensing based on rayleigh scatter. United States: N. p., 2010.
Web.
Froggatt, Mark E., & Duncan, Roger G. Fiber optic position and/or shape sensing based on rayleigh scatter. United States.
Froggatt, Mark E., and Duncan, Roger G. Tue .
"Fiber optic position and/or shape sensing based on rayleigh scatter". United States. https://www.osti.gov/servlets/purl/1531643.
@article{osti_1531643,
title = {Fiber optic position and/or shape sensing based on rayleigh scatter},
author = {Froggatt, Mark E. and Duncan, Roger G.},
abstractNote = {A fiber optic position and/or shape sensing device includes an optical fiber with either two or more single core optical fibers or a multi-core optical fiber having two or more fiber cores. In either case, the fiber cores are spaced apart so that mode coupling between the fiber cores is reduced, and preferably, minimized. The optical fiber is physically associated with an object. Strain on at least a portion of the optical fiber where it is associated with the object is determined by an OFDR using one or more Rayleigh scatter patterns for that portion of the optical fiber. The determined strain is used to determine a position and/or a shape of the object.},
doi = {},
journal = {},
number = ,
volume = ,
place = {United States},
year = {2010},
month = {8}
}
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