Fabrication and Applications of Polymer Planar Bragg Grating Sensors based on Cyclic Olefin Copolymers

  • This contribution reviews recent advancements, current research and possible applications of polymer planar Bragg grating (PPBG) sensors with a focus on the utilization of cyclic olefin copolymer (COC) substrates. COC-PPBGs can be handled and fabricated efficiently by employing a single writing step procedure which features simultaneous generation of waveguide and Bragg grating structure within an injection molded substrate. The resulting photonic structures exhibit an attenuation as low as 1.2 dB cm-1 and a reflectivity up to 99 %. The potential of COC-PPBGs for high-temperature applications is proven by demonstrating temperature measurements up to 160 °C. Moreover, it is possible to employ single PPBGs for multidimensional stress and strain sensing or even three-dimensional shape reconstruction. Due to their excellent properties, it is feasible to integrate COC-PPBGs into commercial-grade carbon fiber reinforced polymer workpieces for structural health monitoring. Furthermore, utilization of appropriate coatings enables functionalization of PPBGs for refractive index sensing and thus biochemical applications. Beside the fabrication and characterization of COC-based PPBGs, this contribution exemplifies and reviews such applications.
Metadaten
Author:Stefan KeferORCiD, Manuel Rosenberger, Steffen HesslerORCiD, Maiko Girschikofsky, Stefan Belle, Gian-Luca Roth, Bernhard SchmaußORCiD, Ralf HellmannORCiD
URL:https://ieeexplore.ieee.org/document/9021801
DOI:https://doi.org/10.1109/PIERS-Fall48861.2019.9021801
ISBN:978-1-7281-5304-9
Parent Title (English):2019 Photonics & Electromagnetics Research Symposium - Fall (PIERS - Fall)
Publisher:Institute of Electrical and Electronics Engineers
Document Type:Conference Proceeding
Language:English
Year of Completion:2020
Date of first Publication:2020/03/05
Release Date:2020/03/09
Tag:Bragg gratings , Gratings , Optical waveguides , Temperature sensors , Substrates
GND Keyword:Optischer Sensor; Bragg-Reflektor
Page Number:9
First Page:647
Last Page:655
Urheberrecht:1
research focus :Intelligent Systems / Intelligent Sensors and Signals
Materials / Innovative Material Processing
Materials / Material Testing & Sensor Technology
Licence (German):Keine Lizenz - es gilt das deutsche Urheberrecht
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