A Mid-Infrared Narrowband Absorber Based on a Subwavelength Fine-Structured Silicon–Gold Metagrating

A Mid-Infrared Narrowband Absorber Based on a Subwavelength Fine-Structured Silicon–Gold Metagrating

A subwavelength fine-structured silicon−gold metagrating was designed for realizing mid-infrared (mid-IR) narrowband absorbers. The metagrating consisted of a silicon grating on the stack of a gold film and a quartz substrate. The silicon grating consisted of two periodically arranged sili...

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Bibliographic Details
Main Authors: Xin He, Jinliang Jie, Junbo Yang, Yunxin Han, Sen Zhang
Format: Article
Language:English
Published: MDPI AG 2019-11-01
Series:Applied Sciences
Subjects:
perfect absorber
narrowband
grating
mid-infrared
Online Access:https://www.mdpi.com/2076-3417/9/23/5022

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