Patent ID: 9507081
Filing Date: 2016-11-29
CPC Classification: G01D,G01N,G02B

Claim Text:
1. A sensor system comprising a waveguide, which waveguide comprises a core and a cladding at least partially covering the core, wherein, in a cross-sectional plane that is perpendicular to the longitudinal direction of the waveguide, the thickness of the cladding in a first radial direction in said plane is different from the thickness of the cladding in a second radial direction in said plane, the waveguide further comprising a coating sensitive to a change in an environmental effect, which comprises a polymer, which polymer comprises a chain, in which chain are present an aromatic group and a chemical group selected from the group of sulfonyl groups, carbonyl groups, carbonate groups, siloxane groups, pyridine groups, organofluorine groups and amide groups or a different coating sensitive to a change in an environmental effect.