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27 April 2016 Temperature characterization of integrated optical all-polymer Mach-Zehnder interferometers
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Two new design concepts for all-polymer-based integrated optical Mach-Zehnder interferometers in foil as chemical or bio-chemical sensors are presented. Fabricated with hot-embossing and printing techniques, these all polymer optical components are designed for low-cost fabrication and yield highly sensitive response to external refractive index changes. Compared to traditional semiconductor based systems, these polymer sensors do not need the interaction window and do not require a cleanroom for fabrication. The optical response of the asymmetric interferometers to temperature variations is determined theoretically and compared for two designs. Using the designed asymmetric interferometer, a chemical micro-fluidic test system with temperature controller experimentally demonstrates the sensors’ temperature characteristics.
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Yanfen Xiao, Meike Hofmann, Ziyu Wang, Alexa Langenecker, Stanislav Shermann, Uwe Gleissner, and Hans Zappe "Temperature characterization of integrated optical all-polymer Mach-Zehnder interferometers", Proc. SPIE 9888, Micro-Optics 2016, 98880F (27 April 2016);

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