{"id":896,"date":"2016-03-23T14:46:16","date_gmt":"2016-03-23T17:46:16","guid":{"rendered":"https:\/\/www.nachodelatorre.com.ar\/mosconi\/?p=896"},"modified":"2016-03-23T14:46:16","modified_gmt":"2016-03-23T17:46:16","slug":"vantablack","status":"publish","type":"post","link":"https:\/\/www.fie.undef.edu.ar\/ceptm\/?p=896","title":{"rendered":"Vantablack"},"content":{"rendered":"

Vertically Aligned carbon NanoTube Array <\/span><\/i>es un revestimineto “super negro” que se ha convertido en el record de la substancia m\u00e1s oscura creada por el hombre. Originalmente desarrollada para sistemas de calibraci\u00f3n de sat\u00e9lites, sus excepcionales propiedades f\u00edsicas y \u00f3pticas, han permitido \u00a0encontrar una enorme cantidad de campos de aplicaci\u00f3n de este material.<\/span><\/p>\n

What is Vantablack?<\/strong><\/p>\n

Vantablack\u00ae is a super-black coating that holds the world record as the darkest man-made substance.\u00a0It was originally developed for satellite-borne blackbody calibration systems, but its unique physical and optical\u00a0properties have resulted in it finding widespread application.\u00a0Vantablack is available in two versions, either directly\u00a0applied to surfaces\u00a0using vacuum-deposition technology or, in the case of\u00a0Vantablack S-VIS, by spraying and then post-processing.<\/p>\n

Vantablack absorbs\u00a0virtually all incident light, making it ideally suited to addressing a host of light-suppression and light-management problems. It reflects so little light that it is often described as the closest thing to a black hole we’ll ever see. With such exceptionally low levels of reflectance, Vantablack produces some startling\u00a0optical effects; when it’s applied to a three-dimensional object, Vantablack is so black that it becomes extremely difficult to discern any surface features, and\u00a0three-dimensional objects appear to become two-dimensional.<\/p>\n

In fact, Vantablack absorbs more than just visible light, and is equally-effective across a whole range of the spectrum that is invisible to the human eye.\u00a0 It\u00a0is used in\u00a0applications ranging from space-borne scientific instrumentation to luxury goods, and its ability to deceive the eye opens-up a whole range of possibilities in\u00a0design.<\/p>\n

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Vantablack’s exceptional properties<\/strong><\/p>\n

Ultra low reflectance – <\/strong>Vantablack absorbs 99.965% of light (750nm wavelength)<\/p>\n

UV, Visible and IR absorption<\/strong> – Absorption works from UV (200-350 nm wavelength), through the visible (350-700nm) and into the far infrared (>16 microns) spectrum, with no spectral features.<\/p>\n

Very high front to back thermal conduction – <\/strong>excellent for Black Body calibration sources<\/p>\n

Super hydrophobic<\/strong> – Unlike other black coatings, water has no impact on the optical properties<\/p>\n

Very high thermal shock resistance<\/strong> – Repeatedly plunging a Vantablack coated substrate into liquid Nitrogen at -196\u00b0C and then transferring to a 300\u00b0C hot plate in air does not affect its properties.<\/p>\n

Resistant to extreme shock and vibration<\/strong> – Independently tested, Vantablack has been subjected to severe shocks and vibration simulating launch and staging.<\/p>\n

Low outgassing and mass loss<\/strong> – Independent testing to ECSS shows almost undetectable levels of outgassing,\u00a0CVCM, WVR, RML and TML<\/p>\n

Excellent BDRF and TIS performance<\/strong> – Even at shallow angles the levels of blackness outperforms all other commercial super-black coatings<\/p>\n<\/div>\n<\/div>\n<\/div>\n

Fuente:<\/strong> http:\/\/www.surreynanosystems.com<\/a><\/em><\/p>\n","protected":false},"excerpt":{"rendered":"

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