Antidazzle effect of switchable mirrors prepared on substrates with rough surface |
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Authors: | Y. Yamada K. Tajima K. Yoshimura A. Roos |
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Affiliation: | a National Institute of Advanced Industrial Science and Technology (AIST), 2266-98 Anagahora, Shimoshidami, Moriyama-ku, Nagoya 463-8560, Japan b Department of Engineering Sciences, The Ångström Laboratory, Uppsala University, P.O. Box 534, SE-751 21 Uppsala, Sweden |
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Abstract: | To examine the antidazzle effect of switchable mirrors, mirrors based on a magnesium-nickel alloy were prepared on three kinds of transparent substrates with different surface roughness. The mirrors prepared using a direct-current magnetron sputtering method have nearly the same surface morphology and roughness as the underlying substrates. The diffuse fraction of the total reflectance of the mirrors increases with surface roughness of the mirrors. Thus, by utilizing substrates with rough surfaces, the specular reflectance of the mirrors decreases and consequently it is possible to prepare switchable mirrors with an antidazzle effect. |
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Keywords: | Switchable mirrors Antidazzle effect Specular reflectance Diffuse reflectance |
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