Highly accurate temperature sensor using two fiber Bragg grating

Details Highly accurate temperature sensor using two fiber Bragg grating Highly accurate temperature sensor using two fiber Bragg grating

1997-10-21

2000-02-15

Gibson, Randy W.

Thermal measuring and testing

Temperature measurement

Nonelectrical, nonmagnetic, or nonmechanical temperature...

385 12, G01K 1100, G02B 600

Patent

active

060244887

ABSTRACT:
A new highly accurate temperature sensor for biomedical applications is proposed in this invention. This sensor including two fiber Bragg gratings with different thermal coefficients can accurately measure temperature with little laser frequency stabilization. This invention improves the measurement resolution and accuracy. Such a sensor can be used to calibrate the other fiber biomedical sensors when those fiber sensors are packaged together.

REFERENCES:
patent: 4649529 (1987-03-01), Avicola
patent: 5144690 (1992-09-01), Domash
patent: 5351324 (1994-09-01), Forman
patent: 5563967 (1996-10-01), Haake
patent: 5869835 (1999-02-01), Udd

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