METHOD AND DEVICE FOR TIME DOMAIN DEMULTIPLEXING OF SERIAL FIBER BRAGG GRATING SENSOR ARRAYS

• Main Authors: SMITH, PETER W.E, COOPER, DAVID J.F
• Format: Patent
• Language: English; French
• Published: 08.04.2001
• Edition: 6
• Subjects: ARRANGEMENTS FOR MEASURING TWO OR MORE VARIABLES NOT COVEREDIN A SINGLE OTHER SUBCLASS; MEASURING; MEASURING NOT SPECIALLY ADAPTED FOR A SPECIFIC VARIABLE; MEASURING OR TESTING NOT OTHERWISE PROVIDED FOR; MEASURING QUANTITY OF HEAT; MEASURING TEMPERATURE; PHYSICS; TARIFF METERING APPARATUS; TESTING; THERMALLY-SENSITIVE ELEMENTS NOT OTHERWISE PROVIDED FOR

The present invention provides a method and device for to implement time division multiplexing of a fiber optic serial Bragg grating sensor arra y containing more than one Bragg grating. The device provides a pulse read-out system that allows for a reduction in system noise and an increase in sensor...