General optimization of tapered anti-reflective coatings

被引：5
|
作者：
Good, Brandon L. [1 ]
Simmons, Shaun [1 ]
Mirotznik, Mark [2 ]
机构：
[1] Naval Surface Warfare Ctr, Carderock Div, 9500 Macarthur Blvd, West Bethesda, MD 20817 USA
[2] Univ Delaware, Dept Elect & Comp Engn, 140 Evans Hall, Newark, DE 19716 USA
来源：
OPTICS EXPRESS | 2016年 / 24卷 / 15期
关键词：
DESIGN;
D O I：
10.1364/OE.24.016618
中图分类号：
O43 [光学];
学科分类号：
070207 ; 0803 ;
摘要：
An efficient, general optimized method is outlined that achieves antireflective tapers using lossless, non-dispersive dielectrics. The method modifies the derivative of a perfect antireflective wave amplitude distribution rather than the index of refraction distribution. Modifying the derivative of the wave amplitude distribution minimizes the potential index of refraction distributions and ensures perfect antireflection at one frequency, incidence angle, and linear polarization combination. Additional combinations of frequency, incident angle, and linear polarization can be targeted at a particular reflection coefficient within the optimization. After the method is outlined, three examples are shown with one being fabricated and validated at radiofrequencies. (C) 2016 Optical Society of America
引用
收藏
页码：16618 / 16629
页数：12
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