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13 March 2024 Ultra-wideband, wide-angle reconfigurable metasurface absorbers
Amin Khavasi, Hamed Abiri, Ashkan Zandi, Mahmood Reza Marzban, Mohammad Reza Tavakol, Ali Adibi
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Proceedings Volume PC12896, Photonic and Phononic Properties of Engineered Nanostructures XIV; PC128960C (2024) https://doi.org/10.1117/12.3012586
Event: SPIE OPTO, 2024, San Francisco, California, United States
Abstract
We present the design and characterization of a novel metasurface absorber utilizing the phase change material, vanadium dioxide (VO2). The absorber demonstrates ultra-wideband performance, exhibiting high absorption across a broad spectrum ranging from 400 nm to 1200 nm. In addition to its spectral versatility, the absorber is designed to function effectively over a wide range of incident angles, maintaining an average absorption of approximately 80% for angles between 0 and 65 degrees. A unique feature of this absorber is its reconfigurability in the infrared regime, particularly in the 1400-1600 nm range. This capability opens up new avenues for dynamic control and optimization of absorption properties in various applications.
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(2024) Published by SPIE. Downloading of the abstract is permitted for personal use only.
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Amin Khavasi, Hamed Abiri, Ashkan Zandi, Mahmood Reza Marzban, Mohammad Reza Tavakol, and Ali Adibi "Ultra-wideband, wide-angle reconfigurable metasurface absorbers", Proc. SPIE PC12896, Photonic and Phononic Properties of Engineered Nanostructures XIV, PC128960C (13 March 2024); https://doi.org/10.1117/12.3012586
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KEYWORDS
Absorption
Design and modelling
Infrared radiation
Optical properties
Vanadium
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