Integrated optical dual Mach-Zehnder interferometer sensor
Integrated optical dual Mach-Zehnder interferometer sensor
The fabrication and operation of robust integrated optical refractometers, suitable for precise measurements of small changes without ambiguity over a wide range of refractive indices, is described. The design primarily uses an optical fibre coupled dual-sensitivity integrated optical Mach-Zehnder Interferometer sensor chip incorporating 3x3 directional coupler combiners and internal referencing. High-index Ta2O5 films were deposited on the waveguide surface in order to increase sensitivity and measurements of their response to liquid analyte index have been carried out by passing aqueous sucrose solutions over the sensor surface. These devices are intended for application as high-sensitivity multi-purpose chemical sensors and biosensors.
2374-2379
Hua, P.
8eb52f09-b5f2-4709-a9bf-ed640d227d16
Luff, B.J.
04d280ab-ae84-4715-9dad-6a1120050ccd
Quigley, G.R.
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Wilkinson, J.S.
73483cf3-d9f2-4688-9b09-1c84257884ca
Kawaguchi, K.
fa559849-ce51-44ff-a5bf-8ae9fb2f712f
2002
Hua, P.
8eb52f09-b5f2-4709-a9bf-ed640d227d16
Luff, B.J.
04d280ab-ae84-4715-9dad-6a1120050ccd
Quigley, G.R.
7d719dee-8822-4f48-9a29-52c7bc000a27
Wilkinson, J.S.
73483cf3-d9f2-4688-9b09-1c84257884ca
Kawaguchi, K.
fa559849-ce51-44ff-a5bf-8ae9fb2f712f
Hua, P., Luff, B.J., Quigley, G.R., Wilkinson, J.S. and Kawaguchi, K.
(2002)
Integrated optical dual Mach-Zehnder interferometer sensor.
Sensors and Actuators B: Chemical, 22, .
(doi:10.1016/S0925-4005(02)00244-7).
Abstract
The fabrication and operation of robust integrated optical refractometers, suitable for precise measurements of small changes without ambiguity over a wide range of refractive indices, is described. The design primarily uses an optical fibre coupled dual-sensitivity integrated optical Mach-Zehnder Interferometer sensor chip incorporating 3x3 directional coupler combiners and internal referencing. High-index Ta2O5 films were deposited on the waveguide surface in order to increase sensitivity and measurements of their response to liquid analyte index have been carried out by passing aqueous sucrose solutions over the sensor surface. These devices are intended for application as high-sensitivity multi-purpose chemical sensors and biosensors.
More information
Published date: 2002
Organisations:
Optoelectronics Research Centre
Identifiers
Local EPrints ID: 268071
URI: http://eprints.soton.ac.uk/id/eprint/268071
ISSN: 0925-4005
PURE UUID: 9882ec8f-1a7a-4844-b96a-df50917b1ffb
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Date deposited: 20 Oct 2009 10:36
Last modified: 15 Mar 2024 02:34
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Contributors
Author:
P. Hua
Author:
B.J. Luff
Author:
G.R. Quigley
Author:
K. Kawaguchi
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