Journal
OPTICS EXPRESS
Volume 22, Issue 6, Pages 7290-7307Publisher
OPTICAL SOC AMER
DOI: 10.1364/OE.22.007290
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- TSB
- National Measurement Office of the UK Department of Business, Innovation and Skills
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The fabrication of NanoTube Black, a Vertically Aligned carbon NanoTube Array (VANTA) on aluminium substrates is reported for the first time. The coating on aluminium was realised using a process that employs top down thermal radiation to assist growth, enabling deposition at temperatures below the substrate's melting point. The NanoTube Black coatings were shown to exhibit directional hemispherical reflectance values of typically less than 1% across wavelengths in the 2.5 mu m to 15 mu m range. VANTA-coated aluminium substrates were subjected to space qualification testing (mass loss, outgassing, shock, vibration and temperature cycling) before their optical properties were re-assessed. Within measurement uncertainty, no changes to hemispherical reflectance were detected, confirming that NanoTube Black coatings on aluminium are good candidates for Earth Observation (EO) applications. (C) 2014 Optical Society of America
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