Optimized two-layer motheye structures for MgAl2O4 spinel ceramic windows

被引：4

作者：

Tu, Chaoran ^{[1
]}

Hu, Jonathan ^{[2
]}

Menyuk, Curtis R. ^{[1
]}

Carruthers, Thomas F. ^{[1
]}

Shaw, L. Brandon ^{[3
]}

Busse, Lynda E. ^{[3
]}

Sanghera, Jasbinder S. ^{[3
]}

机构：

[1] Univ Maryland Baltimore Cty, Dept Comp Sci & Elect Engn, Baltimore, MD 21250 USA

[2] Baylor Univ, Dept Elect & Comp Engn, Waco, TX 76798 USA

[3] US Naval Res Lab, 4555 Overlook Ave SW, Washington, DC 20375 USA

来源：

OSA CONTINUUM | 2021年 / 4卷 / 08期

关键词：

ANTIREFLECTIVE SURFACE-STRUCTURES; BROAD-BAND ANTIREFLECTION; SILICON; COATINGS; FABRICATION; REFLECTION; FILM;

D O I：

10.1364/OSAC.428319

中图分类号：

O43 [光学];

学科分类号：

070207 ; 0803 ;

摘要：

We computationally study two-layer motheye nanostructures fabricated on MgAl2O4 spinel ceramic windows. We investigated the parameters of the structure, including height, width, and shape, in order to optimize its power transmission efficiency over a broad bandwidth. We found a two-layer motheye structure in which the cones of the upper structure have a concave shape that can theoretically achieve more than 99.8% transmission at normal incidence in the wavelength range between 0.4 mu m and 5.0 mu m. (C) 2021 Optical Society of America under the terms of the OSA Open Access Publishing Agreement

引用

页码：2143 / 2153

页数：11

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