Carbon nanotube based optical black coatings for optical and infrared applications (Conference Presentation)

D. L. Carnahan; Colin Preston; Thomas Morgan

doi:10.1117/12.2313838

10 July 2018 Carbon nanotube based optical black coatings for optical and infrared applications (Conference Presentation)

D. L. Carnahan, Colin Preston, Thomas Morgan

Author Affiliations +

Proceedings Volume 10706, Advances in Optical and Mechanical Technologies for Telescopes and Instrumentation III; 107061Z (2018) https://doi.org/10.1117/12.2313838
Event: SPIE Astronomical Telescopes + Instrumentation, 2018, Austin, Texas, United States

Abstract

Vertically aligned carbon nanotube arrays are world renowned for their excellent optical absorption properties. However, at low angles, they suffer from higher reflection coefficients, due to the aligned structure. NanoLab has researched the potential for carbon nanotube loaded paints, (now marketed as Singularity Black) to create a more randomized structure with high optical and infrared absorption that will have better grazing angle performance. Other drivers for the development of a paint version include the desire to apply these coatings in large areas, on lower temperature substrates, and at lower cost. This paper describes the structures necessary for highly absorbing black coatings, and reviews the approach and data collected for two products, Singularity Black paint and the vertically aligned nanotube coating adVANTA.

Conference Presentation

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D. L. Carnahan, Colin Preston, and Thomas Morgan "Carbon nanotube based optical black coatings for optical and infrared applications (Conference Presentation)", Proc. SPIE 10706, Advances in Optical and Mechanical Technologies for Telescopes and Instrumentation III, 107061Z (10 July 2018); https://doi.org/10.1117/12.2313838

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KEYWORDS

Optical coatings

Carbon nanotubes

Infrared radiation

Electro-optical engineering

Dielectrics

Exoplanets

Optical engineering

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