Poly (vinyl-alcohol) films for microphotonics

This paper presents experimental results concerning the influence of additives from a solution of the PVA on the optical properties of the polymer. The refractive index of the poly (vinyl-alcohol) was modified through the addition of inorganic materials and showed values between 1.5 and 2 depending...

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Main Authors: Obreja, P., Cristea, D., Budianu, E., Gavrila, R., Kusko, M., Kuncser, V.
Format: Conference Proceeding
Language:English
Subjects:
Additives
Curing
Inorganic materials
Optical control
Optical films
Optical polymers
Optical refraction
Optical variables control
Optical waveguides
Refractive index
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creator Obreja, P.
Cristea, D.
Budianu, E.
Gavrila, R.
Kusko, M.
Kuncser, V.
description This paper presents experimental results concerning the influence of additives from a solution of the PVA on the optical properties of the polymer. The refractive index of the poly (vinyl-alcohol) was modified through the addition of inorganic materials and showed values between 1.5 and 2 depending on the compositions and the curing conditions of the polymer. The transmittance indicated values above 80%. The additives we used were metal oxides/inorganic salts. The composition and the deposition processes were optimized to allow a better control of the optical parameters (refractive index, transmittance), to reduce the processing temperatures and to improve photosensitivity. PVA with these new light-sensitive compositions can be easily spin coated onto variety of semiconductor substrate and directly patterned. A process was developed for channel waveguides fabrication.
doi_str_mv 10.1109/ICM.2004.1434756
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source IEEE Electronic Library (IEL) Conference Proceedings
subjects Additives
Curing
Inorganic materials
Optical control
Optical films
Optical polymers
Optical refraction
Optical variables control
Optical waveguides
Refractive index
title Poly (vinyl-alcohol) films for microphotonics
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