Journal of the Korean Society for Precision Engineering (한국정밀공학회지)

Korean Society for Precision Engineering (한국정밀공학회)
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The Study of Non-contact Thickness Measurement of Thin Transparent Object

비접촉 얇은 투명체의 두께 측정에 관한 기초연구

  • Hong, Jun-Hee (Department of Mechanical Engineering, Chungnam National Univ.) ;
  • Jeong, Seok-Kyu (Department of Mechanical Engineering, Chungnam National Univ.) ;
  • Park, Simon S. (Department of Mechanical & Manufacturing Engineering, Univ of Calgary)
  • 홍준희 (충남대학교 기계공학과 BK21 메카트로닉스 사업단) ;
  • 정석규 (충남대학교 대학원 기계공학과) ;
  • Published : 2009.12.01
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Abstract

In this paper, we investigate a new method to measure the thickness of thin transparent objects utilizing a step index multi-mode optical fiber sensor. The method mainly depends on the refraction rate of transparent target, the diameter of optical fibers and the distance to reflector. We confirmed the effects of these parameters through the experimental verification tests. The comparison between the theoretical vs. analytical results shows good agreements with each other. The proposed model also enables users to measure the thickness of thin transparent objects without considering the reflection from the target. This approach provides simple, cost-effective and non-contact solutions to measure the thickness.

Keywords

References

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