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Estimation of metal surface roughness using fiber optic displacement sensor

  • Novel Methods of Laser Technologies
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Laser Physics

Abstract

A fiber optic displacement sensor is proposed to estimate the roughness of metal surface using the intensity modulation technique. A light beam is launched onto the metal surface via a bundled fiber. The reflected light from the surface is collected and then routed to a silicon detector. The level of roughness for aluminum, stainless steel and copper samples are estimated to be approximately 27, 26, and 20% respectively by fixing the object within the linear range of the sensor. The output voltages are measured as a function of lateral distance to estimate the roughness of the surface.

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Authors and Affiliations

  1. Department of Electrical Engineering, University of Malaya, 50603, Kuala Lumpur, Malaysia

    S. W. Harun

  2. Photonics Research Centre, Department of Physics, University of Malaya, 50603, Kuala Lumpur, Malaysia

    S. W. Harun, H. Z. Yang & H. Ahmad

  3. Department of Physics, Faculty of Science and Technology, Airlangga University, Surabaya, 60115, Indonesia

    M. Yasin

  4. Department of Physics, Faculty of Mathematics and Natural Science, Gadjah Mada University, Yogyakarta, 55281, Indonesia

    M. Yasin,  Kusminarto &  Karyono

Authors
  1. S. W. Harun
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  2. M. Yasin
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  3. H. Z. Yang
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  4. Kusminarto
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  5. Karyono
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  6. H. Ahmad
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Corresponding author

Correspondence to S. W. Harun.

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Original Russian Text © Astro, Ltd., 2010.

The article is published in the original.

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Harun, S.W., Yasin, M., Yang, H.Z. et al. Estimation of metal surface roughness using fiber optic displacement sensor. Laser Phys. 20, 904–909 (2010). https://doi.org/10.1134/S1054660X10070091

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  • DOI: https://doi.org/10.1134/S1054660X10070091

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