Comparisons of the optical, surface, and constituent properties of morphologically variant black materials

Steven R. Meier

doi:10.1117/12.559793

15 October 2004 Comparisons of the optical, surface, and constituent properties of morphologically variant black materials

Steven R. Meier

Author Affiliations +

Proceedings Volume 5526, Optical Systems Degradation, Contamination, and Stray Light: Effects, Measurements, and Control; (2004) https://doi.org/10.1117/12.559793
Event: Optical Science and Technology, the SPIE 49th Annual Meeting, 2004, Denver, Colorado, United States

Abstract

We present comparisons of the optical, surface, and physical properties of morphologically variant black materials used to suppress reflected and scattered stray light. The black materials in this study include: carbon aerogel, black appliqués, and anodized surfaces. Each material utilizes a different geometry and material properties to absorb incident radiation. The optical measurements in this paper cover the ultraviolet to the infrared spectral regions and include: Bi-directional Reflectance Distribution Function (BRDF), Directional Hemispherical Reflectance (DHR) as a function of incidence angle and incident polarization state, and infrared reflectance microscopy. In addition, the surface and constituent properties of the black materials are measured by scanning electron microscopy (SEM), stylus profilometry, and energy dispersive spectroscopy (EDS). Finally, we present optical constant estimates for two of the black materials studied.

Citation Download Citation

Steven R. Meier "Comparisons of the optical, surface, and constituent properties of morphologically variant black materials", Proc. SPIE 5526, Optical Systems Degradation, Contamination, and Stray Light: Effects, Measurements, and Control, (15 October 2004); https://doi.org/10.1117/12.559793

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