Research on infrared antireflective characteristics of two-dimensional sub-wavelength structures

Qi Yuan Xu, Zu Zhen Zhao, Yang Ping Li, Zheng Tang Liu, Yong Jin Xu, Yong Fa Zhu

Research output: Chapter in Book/Report/Conference proceedingConference contributionpeer-review

1 Scopus citations

Abstract

In order to improve the transmission and durability of infrared optical materials, the antireflection characteristics of two dimensional sub-wavelength structures on infrared optical materials were investigated. The results of numerical modeling showed two dimensional sub-wavelength structures can improve the transmission of infrared optical materials over a broad band, especially pyramid structures. Then two dimensional sub-wavelength structures on Zinc sulfide were fabricated with contacting ultraviolet lithography and reactive ion etching, A substantial antireflection effect was obtained over the wavelength band 8~12 μm. To improve the environmental durability of the antireflective sub-wavelength structures, Germanium carbide film was deposited on the two dimensional sub-wavelength structures by reactive RF magnetron sputtering.

Original languageEnglish
Title of host publicationApplied Science, Materials Science and Information Technologies in Industry
Pages363-366
Number of pages4
DOIs
StatePublished - 2014
Event2014 International Conference on Advances in Materials Science and Information Technologies in Industry, AMSITI 2014 - Xian, China
Duration: 11 Jan 201412 Jan 2014

Publication series

NameApplied Mechanics and Materials
Volume513-517
ISSN (Print)1660-9336
ISSN (Electronic)1662-7482

Conference

Conference2014 International Conference on Advances in Materials Science and Information Technologies in Industry, AMSITI 2014
Country/TerritoryChina
CityXian
Period11/01/1412/01/14

Keywords

  • Antireflection characteristics
  • Film
  • Reactive ion etching
  • Rigorous coupled theory
  • Sub-wavelength structure

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