Abstract
The present invention relates to an optical sensor adapted to measure at least three physical parameters, said optical sensor comprising a polymer-based optical waveguide structure comprising a first, a second and a third Bragg grating structure. The first, second and third Bragg grating structures are at least partly spatially overlapping in the polymer-based optical waveguide structure and thereby form a compact sensor structure. The invention further relates to a method for measuring the first, the second and the third physical parameter, and a method for manufacturing the optical sensor.
| Original language | English |
|---|---|
| IPC | G02B 6/ 02 A I |
| Patent number | WO2016087442 |
| Filing date | 01/12/2014 |
| Country/Territory | International Bureau of the World Intellectual Property Organization (WIPO) |
| Priority date | 01/12/2014 |
| Priority number | EP20140195653 |
| Publication status | Published - 9 Jun 2016 |
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