Method and system for simultaneous measurement of strain and...

Details Method and system for simultaneous measurement of strain and... Method and system for simultaneous measurement of strain and...

2007-10-18

2009-10-06

Punnoose, Roy (Department: 2886)

Optics: measuring and testing

Material strain analysis

C356S034000, C356S035500, C356S320000

Reexamination Certificate

active

07599047

ABSTRACT:
A method and system for simultaneously measuring strain and temperature characteristics of an object involves the attachment to the object of a pair of optical fibers having different refractive indices, the fibers being connected together at least one end thereof, and directing laser light into at least one end of the fibers. The Brillouin frequency of each of the fibers is measure and the strain and temperature characteristics are calculated based on the coefficients of strain and temperature and the measured Brillouin frequencies of the fibers.

REFERENCES:
patent: 6813403 (2004-11-01), Tennyson
patent: 2003/0174924 (2003-09-01), Tennyson
patent: 2008/0084914 (2008-04-01), Yamamoto et al.

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