Optical waveguides – Miscellaneous
Patent
1998-10-29
2000-10-31
Palmer, Phan T. H.
Optical waveguides
Miscellaneous
385 12, 385 13, 73800, 25022716, 25022714, 356 32, 356345, G02B 600
Patent
active
061414808
ABSTRACT:
This invention describes a process for locating the position, orientation d depth of fiber optic sensors embedded in a composite material. The process encompasses the coating of the fiber optic sensor with an X-ray opaque material prior to embedding the sensor in a composite material and then mapping the composite material using radiographic techniques to accurately establish the location, orientation and depth of the sensor. A radiographic film or electronically recorded record of the exact placement of the sensors is prepared that may be referenced during machining operations, correlation of test results and accurate mapping of the structure.
REFERENCES:
patent: 4836030 (1989-06-01), Martin
patent: 5477323 (1995-12-01), Andrews et al.
Pogue, III William R.
Simon Wayne R.
Edelberg Barry A.
Palmer Phan T. H.
Stockstill Charles J.
The United States of America as represented by the Secretary of
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