Organic-inorganic dielectric multilayer systems as high reflectivity distributed Bragg reflectors

被引：26

作者：

Convertino, A ^{[1
]}

Valentini, A ^{[1
]}

Ligonzo, T ^{[1
]}

Cingolani, R ^{[1
]}

机构：

[1] UNIV LECCE, DIPARTIMENTO SCI MAT,IST NAZL FIS MAT, I-73100 LECCE, ITALY

来源：

APPLIED PHYSICS LETTERS | 1997年 / 71卷 / 06期

关键词：

D O I：

10.1063/1.119628

中图分类号：

O59 [应用物理学];

学科分类号：

摘要：

Unprecedentedly high reflectivity distributed Bragg reflectors consisting of fluorocarbon polymer (CFx) and high refractive index inorganic oxide multilayers have been fabricated by means of assisted ion-beam sputtering at room temperature. Multilayer stacks consisting of a CFx/TiOx and CFx/HfOx pairs exhibit reflectivities larger than 98% in the infrared and ultraviolet spectral region, respectively. The superior wide tunability and the high efficiency, with respect to inorganic-inorganic multilayers is due to the exceptionally low refractive index of the fluorcarbon polymer (n similar or equal to 1.35) on a very large spectral region (300-2000 nm). (C) 1997 American Institute of Physics.

引用

页码：732 / 734

页数：3

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