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Hamamatsu Corp. - Earth Innovations LB 2/24

Low-Temperature Fabrication Process Yields Superblack Material

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A novel superblack material can absorb 99.96 percent of incident light. Its developers say the carbon nanotube technology could enhance optical devices like apertures and MEMS sensors.

“It reduces stray light, improving the ability of sensitive telescopes to see the faintest stars, and allows the use of smaller lighter sources in space-borne, black-body calibration systems,” said Ben Jensen, chief technology officer at Surrey NanoSystems Ltd., which created the material.


Surrey NanoSystems' new Vantablack material can absorb 99.96 percent of light. Courtesy of Surrey NanoSystems.


To create the material — called Vantablack — the company developed a new low-temperature carbon nanotube growth process. Developing superblack materials has traditionally required higher temperatures, but the developers said this prevents direct application to sensitive electronics or materials with relatively low melting points like aluminum.

Vantablack can be applied to flat and 3-D structures in precise patterns with submicron resolution. It features levels of outgassing and particle fallout that are virtually undetectable, the developers said, effectively eliminating a source of contamination in sensitive imaging systems.

In addition, the material touts high thermal conductivity and low mass volume, and also withstands launch shock, staging and long-term vibration. It has qualified for use with the European Cooperation on Space Standardization.

The project was supported by the U.K. Technology Strategy Board’s Space for Growth program, the National Physical Laboratory and the Enersys ABSL Space Products division.

For more information, visit www.surreynanosystems.com.
PI Physik Instrumente - Revolution In Photonics Align LW MR3/24

Published: July 2014
Glossary
nano
An SI prefix meaning one billionth (10-9). Nano can also be used to indicate the study of atoms, molecules and other structures and particles on the nanometer scale. Nano-optics (also referred to as nanophotonics), for example, is the study of how light and light-matter interactions behave on the nanometer scale. See nanophotonics.
BusinessEnglandEuropeImagingindustrialMaterialsMEMSnanoOpticsSensors & DetectorsSurrey NanosystemsVantablackBen Jensen

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