Optical absorbers based on strong interference in ultra‐thin films

By Mikhail A. Kats, F. Capasso. 2016

310 citations recorded by the source corpus.

Optical absorbers find uses in a wide array of applications across the electromagnetic spectrum, including photovoltaic and photochemical cells, photodetectors, optical filters, stealth technology, and thermal light sources. Recent efforts have sought to reduce the footprint of optical absorbers, conventionally based on graded structures or Fabry‐Perot‐type cavities, by using emerging concepts in plasmonics, metamaterials, and metasurfaces. Unfortunately, these new absorber designs require patterning on subwavelength length scales, and are therefore impractical for many large‐scale optical and optoelectronic devices.

Subfields: Electrical and Electronic Engineering, Electronic, Optical and Magnetic Materials

View Paper: https://www.semanticscholar.org/paper/bf9e36be4cd3c49dbc29572f2564b2d314ef957d

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Citations in the corpus

• An ultra-thin colored textile with simultaneous solar and passive heating abilities (2019, background): “As a result, the ultra-thin optical coating presents three major functionalities: (1) solar heating ability due to the broadband solar absorption in the lossy Ge layer, (2) passive heating owing to the low MIR radiation because of the highly reflective Au coating and (3) coloration (orange, magenta,”