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http://dx.doi.org/10.3807/JOSK.2009.13.2.218

Optical and Structural Properties of Bilayer Circular Filter Prepared by Glancing Angle Deposition  

Park, Yong-Jun (Department of Physics, Inha University)
Sobahan, KM Abdus (Department of Physics, Inha University)
Kim, Jin-Joo (Department of Physics, Inha University)
HwangBo, Chang-Kwon (Department of Physics, Inha University)
Publication Information
Journal of the Optical Society of Korea / v.13, no.2, 2009 , pp. 218-222 More about this Journal
Abstract
In this paper, we report the optical and structural properties of a bilayer circular filter fabricated by a glancing angle deposition technique. The bilayer circular filter is realized by a two-layer $TiO_2$ helical film with layers of opposite structural handedness. It is found that the bilayer circular filter reflects both right and left circularly polarized light with wavelength lying in the Bragg regime. The microstructure of the bilayer circular filter is also investigated using a scanning electron microscope.
Keywords
Helical film; Glancing angle deposition; Bragg reflector;
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