Ablation of concrete surfaces using a compact high-power CO2 waveguide array laser with beam shaping

Francisco J. Villarreal; R. Abram; Howard J. Baker; Denis R. Hall; D. R. Jones; E. P. Johnston; G. J. Shannon; William M. Steen; Julian T. Spencer

doi:10.1117/12.321610

14 September 1998 Ablation of concrete surfaces using a compact high-power CO₂ waveguide array laser with beam shaping

Francisco J. Villarreal, R. Abram, Howard J. Baker, Denis R. Hall, D. R. Jones, E. P. Johnston, G. J. Shannon, William M. Steen, Julian T. Spencer

Author Affiliations +

Proceedings Volume 3343, High-Power Laser Ablation; (1998) https://doi.org/10.1117/12.321610
Event: High-Power Laser Ablation, 1998, Santa Fe, NM, United States

Abstract

The composite beam from a 64-element carbon dioxide array laser, which produces an average power output of 2 kW, has been used in a series of surface processing experiments. In one set of experiments related to nuclear power station decommissioning, the array beam has been used to process the surface of a range of different density concrete materials. Scabbling trials have achieved concrete removal rates of approximately 1200 cm³hr^-1kW^-1 and average scabble depths of approximately 5 mm with incident power densities as low as 80 Wcm^-2.

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Francisco J. Villarreal, R. Abram, Howard J. Baker, Denis R. Hall, D. R. Jones, E. P. Johnston, G. J. Shannon, William M. Steen, and Julian T. Spencer "Ablation of concrete surfaces using a compact high-power CO₂ waveguide array laser with beam shaping", Proc. SPIE 3343, High-Power Laser Ablation, (14 September 1998); https://doi.org/10.1117/12.321610

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