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Conferences > CLEO_AT > 2022 > JTu3B > JTu3B.44

Ultra-thin Perfect Optical Absorption Metamaterial for Mid Infrared Photodetection

Roy Avrahamy, Moshe Zohar, Benjamin Milgrom, and Mark Auslender

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Abstract

We inversely design a sub-vacuum-wavelength thick metamaterial comprising meta-surface, microcavity, and ultra-thin photo-absorber, with an absorptance spectrum ∼ 99% peaked at 3.5µm, maintaining this level over a flattop range around this wavelength.

© 2022 The Author(s)

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