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Proceedings Paper

Thermally Induced Focusing Effect In Planar Optical Waveguides
Author(s): Andrzej W. Domanski; Tomasz Wojcik; Miroslaw Zielonka
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Paper Abstract

Focusing and deflection of light propagating in planar optical waveguides are caused by the suitable change of the effective refractive /modal/ index of the light - guiding film. The usual technique for obtaining the modal index variation in thin dielectric guides con-sists in change of thickness of the film /overlayer deposition/ or of its bulk refractive index. Referring to the latter method - the ion exchange is commonly applied. In this paper we show that the thermally induced change of the bulk refractive index in glass can be utilized for constructing the light focusing elements of planar optics. We report some preliminary theoretical and experimental results in obtaining the thermally induced planar SELFOC and Luneburg type lenses for light propagating in planar glass waveguide.

Paper Details

Date Published: 10 March 1987
PDF: 6 pages
Proc. SPIE 0704, Integrated Optical Circuit Engineering IV, (10 March 1987); doi: 10.1117/12.937161
Show Author Affiliations
Andrzej W. Domanski, Warsaw University of Technology (Poland)
Tomasz Wojcik, Warsaw University of Technology (Poland)
Miroslaw Zielonka, Warsaw University of Technology (Poland)

Published in SPIE Proceedings Vol. 0704:
Integrated Optical Circuit Engineering IV
Mark A. Mentzer; Sriram Sriram, Editor(s)

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