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http://dx.doi.org/10.5369/JSST.2018.27.6.392

Development of Optical Strain Sensor with Nanostructures on a Poly-dimethylsiloxane (PDMS) Substrate  

Kim, Geon Hwee (Department of Mechanical Engineering, POSTECH)
Woo, Hyeonsu (Department of Mechanical Engineering, POSTECH)
Lim, Geunbae (Department of Mechanical Engineering, POSTECH)
An, Taechang (Department of Mechanical Design Engineering, Andong National Unversity)
Publication Information
Journal of Sensor Science and Technology / v.27, no.6, 2018 , pp. 392-396 More about this Journal
Abstract
Structural color has many advantages over pigment based color. In recent years, researches are being conducted to apply these advantages to applications such as wearable devices. In this study, strain sensor, a kind of wearable device, was developed using structural color. The use of structural color has the advantage of not using energy and complex measuring equipment to measure strain rate. Wrinkle structure was fabricated on the surface of Poly-dimethylsiloxane (PDMS) and used it as a sensor which color changes according to the applied strain. In addition, a transmittance-changing sensor was developed and fabricated by synthesizing additional glass nanoparticles. Furthermore, a strain sensor was developed that is largely transparent at the target strain and opaque otherwise.
Keywords
Strain Sensors; Structural color; Transmittance Control; Transparency; Wearable Device; Target Strain;
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