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Κυριακή 10 Σεπτεμβρίου 2023

Metasurfaces simplify optical sensing systems

 

Metasurfaces simplify optical sensing systems

24 Aug 2023 Hamish Johnston
Conventional optical systems such as those found in cameras and microscopes use curved lenses to bend and focus light. As a result, these systems tend to be bulky and difficult to miniaturize for use in systems where space is at a premium – such as smartphones.


Flat, thin optical components based on metasurfaces offer a solution to this miniaturization problem by replacing multiple conventional lenses with a single metalens. In this episode of the Physics World Weekly podcast our guest is the co-founder and CEO of Metalenz, a US-based company that has commercialized optical metasurface technology.

Rob Devlin explains how the company’s optical components bend light; how they are made using standard semiconductor processing techniques; and how they are being used in a range of sensing applications.

Hamish Johnston is an online editor of Physics World

from physicsworld.com   10/9/2023

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