Title

Broadband Dielectric Film Transflector For Variable Transmission Optical Filters

Keywords

Optical filter; Transflector; Variable transmission

Abstract

A broadband multilayer dielectric film transflector for applications in variable transmission optical filters is proposed. The dielectric film is composed of alternating TiO2 and SiO2 layers deposited on a substrate. The transmittance of the dielectric film transflector can be varied from 0 to 100% by adjusting the individual dielectric layer thickness and the number of layers. The conjugate gradient method is used to optimize the design of the transflectors. The obtained transflectors have good transmittance and reflectance within the whole visible range and the incident angle range 0-20°. The manufacturing tolerances on film thickness and refractive index are reasonably large. © 2010 Elsevier GmbH. All rights reserved.

Publication Date

2-1-2011

Publication Title

Optik

Volume

122

Issue

4

Number of Pages

364-366

Document Type

Article

Personal Identifier

scopus

DOI Link

https://doi.org/10.1016/j.ijleo.2010.02.022

Socpus ID

78651333141 (Scopus)

Source API URL

https://api.elsevier.com/content/abstract/scopus_id/78651333141

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