Design and full analysis of a metafiber-based photothermal bio-probe with perfect conversion efficiency
Zebin Zhu,
Liyong Jiang,
Xiangwei Zhao
Abstract:The metafiber, which involves fabricating metasurfaces at optical fiber tips, has shown potential as an integrated optical sensing or photothermal conversion platform. In this study, we present a metafiber-based photothermal bio-probe with a high optical absorption efficiency of 99.83%. Physical mechanisms underlying the efficiency are elucidated using coherent perfect absorption and multiple reflection theories. In our simulation, the probe exhibits ultra-fast heating/cooling rates, high temperature localizat… Show more
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