Transparent and flexible force sensor array based on optical waveguide

Youngsung Kim, Suntak Park, Seung Koo Park, Sungryul Yun, Ki Uk Kyung, Kyung Sun

Research output: Contribution to journalArticle

18 Citations (Scopus)

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.

Original languageEnglish
Pages (from-to)14486-14493
Number of pages8
JournalOptics Express
Volume20
Issue number13
DOIs
Publication statusPublished - 2012 Jun 18

ASJC Scopus subject areas

  • Atomic and Molecular Physics, and Optics

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