Photoinscribed bragg grating sensor with a good...

Details Photoinscribed bragg grating sensor with a good... Photoinscribed bragg grating sensor with a good...

G - Physics

01

B

G01B 11/16 (2006.01) G01D 5/353 (2006.01) G01K 11/12 (2006.01) H01S 3/067 (2006.01) H01S 3/11 (2006.01)

Patent

CA 2169234

The present invention relates to a high capacity, high signal-to-noise ratio sensor incorporating an array of Bragg grating transducers photoinscribed on a dielectric guide and a feedback loop incorporating a wavelength selective element which is time modulated making it possible to obtain a laser sensor selectively switched by each Bragg grating. Application to monitoring strains or temperatures in a structure.

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