LPG based all plastic pressure sensor

Research output: Chapter in Book/Report/Conference proceedingArticle in proceedings – Annual report year: 2016Researchpeer-review

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A prototype all-plastic pressure sensor is presented and characterized for potential use as an endoscope. The sensor is based on Long Period Gratings (LPG) inscribed with a CO2 laser in 6-ring microstructured PMMA fiber. Through a latex coated, plastic 3D-printed transducer pod, external pressure is converted to longitudinal elongation of the pod and therefore of the fiber containing the LPG. The sensor has been characterised for pressures of up to 160 mBar in an in-house built pressure chamber. Furthermore, the influence of the fiber prestrain, fiber thickness and the effect of different glues on the sensors' responsivity have been investigated in an attempt to optimize parameters. The prototype sensor LPG peak showed a sensitivity of up to 10 pm/mBar, but our analysis shows that this can be increased significantly with further optimization.
Original languageEnglish
Title of host publicationProceedings of 24th International Conference on Plastic Optical Fibers
Number of pages4
Publication date2015
Pages185-188
Publication statusPublished - 2015
EventThe 24th International Conference on Plastic Optical Fibers - Nuremberg/Franconia , POF 2015, Germany
Duration: 22 Sep 201524 Sep 2015

Conference

ConferenceThe 24th International Conference on Plastic Optical Fibers
LocationNuremberg/Franconia
CountryGermany
CityPOF 2015
Period22/09/201524/09/2015
Series24th International Conference on Plastic Optical Fibers, Pof 2015 - Conference Proceedings

    Research areas

  • Electronic, Optical and Magnetic Materials, Materials Chemistry, Polymers and Plastics, Long period grating, Microstructured fiber, PMMA, Pressure, Sensor, 3D printers, Carbon dioxide, Fiber optic sensors, Fibers, Optical fibers, Plastic coatings, Pressure sensors, Sensors, External pressures, Long Period Gratings, Microstructured fibers, Plastic pressures, Pressure chamber, Prototype sensor, Responsivity, Plastic optical fibers
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