Reflectance at 10.6 um of carbon-carbon composites heated in the air by CW CO2-laser radiation

Viacheslav A. Dlugunovich; Vladimir A. Zhdanovskii; Valerii N. Snopko

doi:10.1117/12.501419

1 April 2003 Reflectance at 10.6 μm of carbon-carbon composites heated in the air by CW CO₂-laser radiation

Viacheslav A. Dlugunovich, Vladimir A. Zhdanovskii, Valerii N. Snopko

Author Affiliations +

Proceedings Volume 5064, Lightmetry 2002: Metrology and Testing Techniques Using Light; (2003) https://doi.org/10.1117/12.501419
Event: Lightmetry 2002, 2002, Warsaw, Poland

Abstract

Directional hemispherical reflectance at 10.6 μm of three modification of carbon-carbon (c/c) composites heated in the air by CW CO₂-laser radiation with irradiances ranged from 90 to 16000 Wcm^-2 was measured. At the incident beam intensity of 90 Wcm^-2 the investigated materials reflectance were found to increase with increasing temperature. When irradiance is more than 200 Wcm^-2 the c/c composites reflectance at 10.6 μm is not only temperature dependent but materials modification, and laser irradiance dependent.

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Viacheslav A. Dlugunovich, Vladimir A. Zhdanovskii, and Valerii N. Snopko "Reflectance at 10.6 μm of carbon-carbon composites heated in the air by CW CO₂-laser radiation", Proc. SPIE 5064, Lightmetry 2002: Metrology and Testing Techniques Using Light, (1 April 2003); https://doi.org/10.1117/12.501419

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