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Journal Article Transparent and Flexible Force Sensor Array Based on Optical Waveguide
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Authors
Youngsung Kim, Suntak Park, Seung Koo Park, Sungryul Yun, Ki-Uk Kyung, Kyung Sun
Issue Date
2012-06
Citation
Optics Express, v.20, no.13, pp.14486-14493
ISSN
1094-4087
Publisher
Optical Society of America (OSA),
Language
English
Type
Journal Article
DOI
https://dx.doi.org/10.1364/OE.20.014486
Abstract
This paper suggests a force sensor array measuring contact force based on intensity change of light transmitted throughout optical waveguide. For transparency and flexibility of the sensor, two soft prepolymers with different refractive index have been developed. The optical waveguide consists of two cladding layers and a core layer. The top cladding layer is designed to allow light scattering at the specific area in response to finger contact. The force sensor shows a distinct tendency that output intensity decreases with input force and measurement range is from 0 to -13.2 dB. © 2012 Optical Society of America.
KSP Keywords
Cladding layer, Flexible force sensor, Input force, Measurement range, Sensor array, Specific area, contact force, light scattering, optical waveguides, refractive index, transparent and flexible
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