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APS & MTT-S Webinar | Applications of Transparent Metal Mesh Nanostructures by Themos Kallos, Co-Founder and Chief Science Officer, META

Abstract

Transparent conductors are integral components in a wide range of electronic devices including touchscreens, OLEDs and photovoltaics. They can be also used on optical components of sensors and display systems as EMI shielding and as transparent heating elements. However, existing transparent conductive materials, e.g. ITO (Indium Tin Oxide), Silver Nanowires etc., have at least one or more drawbacks, such as poor mechanical stability, low optical transmissivity and low electrical conductivity.

This talk will review the benefits of using nanostructured metal wire meshes, impossible to resolve by the naked eye, which can be fabricated for large area products and flexible devices in roll-to-roll fashion. META’s Nanoweb film is one prime example of such a material. For example, transparent antennas can be seamlessly placed on windshields and windows, opening more installation space for various applications, and can be effectively decoupled from each other operating at close frequency bands. Application areas include: 5G antennas for smartphones, smartwatches and vehicles, RFID tags, Bluetooth antennas for wearables and IoT devices, single-aperture lidar–radar fusion for autonomous vehicle navigation, as communication and sensing antennas on CubeSat missions, and for embedded antennas in camera lenses for visible and thermal imaging.

Metal meshes can also be patterned to redirect radio waves in the millimetre wave range. Nanoweb can be applied in most surfaces and without spoiling the surface’s appearance, to improve the communication environment.

The talk will also focus on how metasurfaces made from Nanoweb are manufactured and present some promising designs for improved 5G communications.

About the Speaker

Dr Themos Kallos is the co-founder and Chief Science Officer of META. He is an experienced electrical engineer with expertise in applied physics, metamaterials, wireless communications, and electromagnetic simulations.

Dr Kallos leads the innovation, research, and the team of scientists at META. He has worked toward pioneering commercially viable metamaterial technologies in solar, optical filters, and LED technologies. He holds a Ph.D. in Electrical Engineering from the University of Southern California, and has over 15 years’ experience in applied physics, engineering, and technical project management.

Dr. Kallos was the winner of the IEEE Doctoral Thesis Prize of the Nuclear and Plasma Sciences Society for his work on plasma-driven particle accelerators. He has authored over 100 patents and publications in applied physics, electromagnetics and metamaterials.

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