Abstract: Integrated optical waveguide interferometer for evanescent sensing of chemical and/or physical quantities, comprising a substrate carrying a waveguide layer structure provided with: —a first waveguide core layer sandwiched between two first cladding layers formed by a first lower and a first upper (6) cladding layer, of a lower refractive index than the first waveguide core layer, —a second waveguide core layer sandwiched between two second claddings layers formed by a second lower and a second upper (6) cladding layer, of a lower refractive index than the second waveguide core layer, —a splitter (2) and a combiner (5) for optically coupling said first and second waveguide core layers at first and second junctions, respectively, characterized by —a modulation section of a polymer cladding material (9) included in one of the first upper cladding layers (6) and/or included in one of the second upper cladding layers (6), the polymer cladding material covering an identifiable area of said first waveguide core lay
Type:
Grant
Filed:
January 22, 2010
Date of Patent:
October 6, 2015
Assignee:
Optisense B.V.
Inventors:
Hermanus Marcellinus Maria Klein Koerkamp, Tonnis Meindert Koster, Martinus Bernardus Johannes Diemeer
Abstract: The invention relates to an integrated optical waveguide evanescent field sensor (1) for sensing of chemical and/or physical quantities, comprising a substrate (2) carrying a waveguide layer structure provided with—a waveguide core layer (10) sandwiched between two cladding layers (11, 12) formed by a lower (11) and a upper (12) cladding layer, of a lower refractive index than the waveguide core layer (10), —a sensing section (14A, 14B) comprising a sensing layer (13) included in the upper cladding layer (12), wherein a longitudinal section of said substrate including said waveguide layer structure and said sensing section (14A, 14B) is exchangeable as a separate element (20).
Type:
Grant
Filed:
June 15, 2011
Date of Patent:
March 3, 2015
Assignee:
Optisense B.V.
Inventors:
Martinus Bernardus Johannes Diemeer, Hermanus Marcellinus Maria Klein Koerkamp, Tonnis Meindert Koster
Abstract: The invention relates to an integrated optical waveguide evanescent field sensor (1) for sensing of chemical and/or physical quantities, comprising a substrate (2) carrying a waveguide layer structure provided with—a waveguide core layer (10) sandwiched between two cladding layers (11, 12) formed by a lower (11) and a upper (12) cladding layer, of a lower refractive index than the waveguide core layer (10),—a sensing section (14A, 14B) comprising a sensing layer (13) included in the upper cladding layer (12), wherein a longitudinal section of said substrate including said waveguide layer structure and said sensing section (14A, 14B) is exchangeable as a separate element (20).
Type:
Application
Filed:
June 15, 2011
Publication date:
June 20, 2013
Applicant:
OPTISENSE B.V.
Inventors:
Martinus Bernardus Johannes Diemeer, Hermanus Marcellinus Maria Klein Koerkamp, Tonnis Meindert Koster
Abstract: Integrated optical waveguide evanescent field sensor for sensing of chemical and/or physical quantities, comprising a substrate carrying a waveguide layer structure provided with—a waveguide core layer (3) sandwiched between two cladding layers (4, 5) formed by a lower (4) and a upper cladding layer (5), of a lower refractive index than the waveguide core layer,—a sensing section comprising a sensing layer (10) included in the upper cladding layer, wherein said sensing layer is exchangeable as a separate element.
Abstract: Integrated optical waveguide interferometer for evanescent sensing of chemical and/or physical quantities, comprising a substrate carrying a waveguide layer structure provided with: a first waveguide core layer sandwiched between two first cladding layers formed by a first lower and a first upper (6) cladding layer, of a lower refractive index than the first waveguide core layer, a second waveguide core layer sandwiched between two second claddings layers formed by a second lower and a second upper (6) cladding layer, of a lower refractive index than the second waveguide core layer, a splitter (2) and a combiner (5) for optically coupling said first and second waveguide core layers at first and second junctions, respectively, characterized by a modulation section of a polymer cladding material (9) included in one of the first upper cladding layers (6) and/or included in one of the second upper cladding layers (6), the polymer cladding material covering an identifiable area of said first waveguide core layer a
Type:
Application
Filed:
January 22, 2010
Publication date:
December 1, 2011
Applicant:
OPTISENSE B.V.
Inventors:
Hermanus Marcellinus Maria Klein Koerkamp, Tonnis Meindert Koster, Martinus Bernardus Johannes Diemeer