K. Ariki, S. Fukushima, T. Hachino, Y. Igarashi, H. Higuchi, H. Kikuchi
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Variable optical attenuator employing a dye-doped (polymer/liquid crystal) composite film
To clarify extinction mechanism of a dye-doped (polymer/liquid crystal) composite film variable optical attenuator, we evaluated its scattering intensity dependencies on the wavelength and scattering angle. We have obtained some experimental data that suggest Rayleigh scattering is a primary mechanism of extinction.