Proceedings PaperModification of optical properties of transparent substrates by physical vapor deposition
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There are increasing demands of surface modification of transpar- ent substrates such as glass and plastics for windows in automobiles as well as houses in view of adding them fascinating optical properties. These properties include surface hardening of plastics, infrared re- flection, ultraviolet absorption, optical switching and birefringence. This paper reviews recent examples of applications of sophisticated thin film processes of plasma treatment and Physical Vapour Deposition (PVD). The novelty of functions by PVD method together with their durability for practical usage are emphasized as areas where the thin film process has a significant impact. Characterization of the modified surface and interface is also included to demonstrate recent advances in surface chemistry. Finally, future challenges for optical modification of transparent substrates in the automobile industry are also discussed.