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5 June 2018 Anisotropic coatings for normal incidence applications
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In present work, oblique angle deposition technique was employed to form nano-structured anisotropic layers evaporating amorphous materials. The combination of birefringent nano-structured and isotropic layers allows to form highly transparent (T ~ 99 %) wave-plates. Furthermore, such combination can be used to form two spectrally separated Bragg reflection zones for perpendicular polarizations. This feature allows to form polarizers for zero angle applications. Both elements can be manufactured using only one material by changing only its structural morphology what leads to superior LIDT value. In this work, the possibility to evaporate waveplates and polarizers for zero angle applications was shown.
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Lina Grinevičiūtė, Lukas Ramalis, Karolis Gricius, Rytis Buzelis, and Tomas Tolenis "Anisotropic coatings for normal incidence applications", Proc. SPIE 10691, Advances in Optical Thin Films VI, 1069120 (5 June 2018);

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