Exploiting Local Contrast Laser Speckle Photography for Surface Topometry of Laser Metal Deposition

Samar Reda Al-Sayed; Doaa Youssef

doi:10.1364/ASSL.2021.JM3A.60

Laser Congress 2021 (ASSL,LAC)
OSA Technical Digest (Optica Publishing Group, 2021),
paper JM3A.60
•https://doi.org/10.1364/ASSL.2021.JM3A.60

Exploiting Local Contrast Laser Speckle Photography for Surface Topometry of Laser Metal Deposition

Samar Reda Al-Sayed and Doaa Youssef

Laser Applications Conference 2021

Washington, DC United States
3–7 October 2021
ISBN: 978-1-55752-347-1

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Poster Session I (JM3A)

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S. R. Al-Sayed and D. Youssef, "Exploiting Local Contrast Laser Speckle Photography for Surface Topometry of Laser Metal Deposition," in Laser Congress 2021 (ASSL,LAC), OSA Technical Digest (Optica Publishing Group, 2021), paper JM3A.60.

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Abstract

The presented work proves the ability of laser speckle photography-based local contrast analysis as a high-speed, inexpensive and non-destructive technique to identify surface roughness of deposited layer on a substrate after laser metal deposition processing.

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