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  • JSAP-OSA Joint Symposia 2016 Abstracts
  • (Optica Publishing Group, 2016),
  • paper 13a_C302_5

The controlling of transmittance and reflectance of a 2D metal periodic grating structure for cold filter application

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Abstract

A cold filter that simultaneously achieves the reflection of infrared light and transmission of visible light was fabricated using a 2D metal periodic grating structure. A conventional dielectric multilayer film was used, which had abrupt filtering characteristics; however, there were problems with the incident angle, temperature, and polarization. To solve these problems, a 2D metal periodic grating structure was applied [1]. This type of structure has the advantage that it does not depend on polarization. In this study, the 2D metal periodic grating structure, comprising an Au layer and electron beam resist layer, was fabricated by electron beam lithography. The optical characterization of this structure in the visible light region was then conducted using a spectrometer.

© 2016 Japan Society of Applied Physics, Optical Society of America

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