Differential Phononic Crystal Sensor: Towards a Temperature Compensation Mechanism for Field Applications Development
Phononic crystals are resonant structures with great potential to be implemented in applications as liquid sensors. The use of the symmetry reduction technique allows introducing relevant transmission features inside bandgaps by creating defect modes in a periodic regular structure. These features c...
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doaj-bcd9fd3c2bca47dab160336171de9fa22020-11-24T22:36:32ZengMDPI AGSensors1424-82202017-08-01179196010.3390/s17091960s17091960Differential Phononic Crystal Sensor: Towards a Temperature Compensation Mechanism for Field Applications DevelopmentSimón Villa-Arango0David Betancur Sánchez1Róbinson Torres2Panayiotis Kyriacou3Ralf Lucklum4Biomedical Engineering Research Group (GIBEC), EIA University, Envigado 055428, ColombiaBiomedical Engineering Research Group (GIBEC), EIA University, Envigado 055428, ColombiaBiomedical Engineering Research Group (GIBEC), EIA University, Envigado 055428, ColombiaResearch Centre for Biomedical Engineering (RCBE), University of London, London EC1V 0HB, UKInstitute for Micro and Sensor Systems (IMOS), Otto-von-Guericke University, Magdeburg 39106, GermanyPhononic crystals are resonant structures with great potential to be implemented in applications as liquid sensors. The use of the symmetry reduction technique allows introducing relevant transmission features inside bandgaps by creating defect modes in a periodic regular structure. These features can be used as measures to quantify changes in the speed of sound of liquid samples that could be related to the concentration of analytes or the presence of pathogens among other interesting applications. In order to be able to implement this new technology in more challenging applications, such as biomedical applications, it is necessary to have a very precise and accurate measurement. Changes in temperature greatly affect the speed of sound of the liquid samples, causing errors in the measurements. This article presents a phononic crystal sensor that, by introducing additional defect modes, can carry out differential measurements as a temperature compensation mechanism. Theoretical studies using the transmission line model and analytes at various temperatures show that the proposed temperature compensation mechanism enhances the performance of the sensor in a significant way. This temperature compensation strategy could also be implemented in crystals with different topologies.https://www.mdpi.com/1424-8220/17/9/1960differential measurementtemperature compensation mechanismphononic crystalpoint of care testtransmission line model |
collection |
DOAJ |
language |
English |
format |
Article |
sources |
DOAJ |
author |
Simón Villa-Arango David Betancur Sánchez Róbinson Torres Panayiotis Kyriacou Ralf Lucklum |
spellingShingle |
Simón Villa-Arango David Betancur Sánchez Róbinson Torres Panayiotis Kyriacou Ralf Lucklum Differential Phononic Crystal Sensor: Towards a Temperature Compensation Mechanism for Field Applications Development Sensors differential measurement temperature compensation mechanism phononic crystal point of care test transmission line model |
author_facet |
Simón Villa-Arango David Betancur Sánchez Róbinson Torres Panayiotis Kyriacou Ralf Lucklum |
author_sort |
Simón Villa-Arango |
title |
Differential Phononic Crystal Sensor: Towards a Temperature Compensation Mechanism for Field Applications Development |
title_short |
Differential Phononic Crystal Sensor: Towards a Temperature Compensation Mechanism for Field Applications Development |
title_full |
Differential Phononic Crystal Sensor: Towards a Temperature Compensation Mechanism for Field Applications Development |
title_fullStr |
Differential Phononic Crystal Sensor: Towards a Temperature Compensation Mechanism for Field Applications Development |
title_full_unstemmed |
Differential Phononic Crystal Sensor: Towards a Temperature Compensation Mechanism for Field Applications Development |
title_sort |
differential phononic crystal sensor: towards a temperature compensation mechanism for field applications development |
publisher |
MDPI AG |
series |
Sensors |
issn |
1424-8220 |
publishDate |
2017-08-01 |
description |
Phononic crystals are resonant structures with great potential to be implemented in applications as liquid sensors. The use of the symmetry reduction technique allows introducing relevant transmission features inside bandgaps by creating defect modes in a periodic regular structure. These features can be used as measures to quantify changes in the speed of sound of liquid samples that could be related to the concentration of analytes or the presence of pathogens among other interesting applications. In order to be able to implement this new technology in more challenging applications, such as biomedical applications, it is necessary to have a very precise and accurate measurement. Changes in temperature greatly affect the speed of sound of the liquid samples, causing errors in the measurements. This article presents a phononic crystal sensor that, by introducing additional defect modes, can carry out differential measurements as a temperature compensation mechanism. Theoretical studies using the transmission line model and analytes at various temperatures show that the proposed temperature compensation mechanism enhances the performance of the sensor in a significant way. This temperature compensation strategy could also be implemented in crystals with different topologies. |
topic |
differential measurement temperature compensation mechanism phononic crystal point of care test transmission line model |
url |
https://www.mdpi.com/1424-8220/17/9/1960 |
work_keys_str_mv |
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