30 March 2012 Self-repairing waveguide sensor with highly repeatable strain response
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In this article we present experimental demonstrations of a self-writing polymer waveguide strain sensor that can selfrepair after failure. The original sensor is fabricated between two multi-mode optical fibers by ultraviolet (UV) lightwaves in the photopolymerizable resin system via a self-writing process. After the original sensor fails, the repaired sensor is grown from the existing waveguide to bridge the gap between the two optical fibers. Multiple self-repairs of a single sensor were demonstrated. When the sensor was packaged within a polyimide capillary, the cyclic response showed almost no hysteresis and the response over the entire strain range was monotonic.
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Young Song, Young Song, Kara Peters, Kara Peters, } "Self-repairing waveguide sensor with highly repeatable strain response", Proc. SPIE 8346, Smart Sensor Phenomena, Technology, Networks, and Systems Integration 2012, 83460U (30 March 2012); doi: 10.1117/12.914904; https://doi.org/10.1117/12.914904


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