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Optica Publishing Group
  • 2013 Conference on Lasers and Electro-Optics Pacific Rim
  • (Optica Publishing Group, 2013),
  • paper WPF_26

Non-destructive and Non-contact Thickness Measurement for Optically Opaque Samples by Optical Fiber Heterodyne Interferometry System

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Abstract

We demonstrate a scheme of non-destructive and non-contact thickness measurement. By monitoring the laser-induced acoustic pressure wave with a compact optical fiber heterodyne interferometer, we could measure the thickness of an opaque or metallic sample.

© 2013 IEICE

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