Optical sensor for measuring humidity, strain and temperature.

Jesper Nørregaard (Inventor), Kristian Nielsen (Inventor)

Research output: Patent

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Abstract

The present invention relates to an optical sensor (100) adapted to measure at least three physical parameters, said optical sensor comprising a polymer-based optical waveguide structure comprising a first Bragg grating structure (101) being adapted to provide information about a first, a second and a third physical parameter, a second Bragg grating structure (102) being adapted to provide information about the second and the third physical parameter only, and a third Bragg grating structure (103) being adapted to provide information about the third physical parameter only. The invention further relates to a method for measuring the first, the second and the third physical parameter. Preferably, the first, the second and the third physical parameter, are humidity, strain and temperature, respectively.

Original languageEnglish
IPCG02B 6/ 12 A I
Patent numberWO2015181155
Filing date03/12/2015
CountryInternational Bureau of the World Intellectual Property Organization (WIPO)
Priority date26/05/2014
Priority numberEP20140169826
Publication statusPublished - 3 Dec 2015

Cite this

Nørregaard, J., & Nielsen, K. (2015). IPC No. G02B 6/ 12 A I. Optical sensor for measuring humidity, strain and temperature. (Patent No. WO2015181155).