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Nonmetallic broadband visible-light absorbers with polarization and incident angle insensitivity

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Abstract

We proposed nonmetallic broadband visible-light absorbers based on alternating SiO2/InAs thin films on SiO2 substrate, where average absorption of 97% in 300–850 nm could be achieved with insensitivity to light polarization and incident angles.

© 2021 The Author(s)

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