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ElectroComponent Science and Technology
Volume 3 (1977), Issue 4, Pages 191-201
http://dx.doi.org/10.1155/APEC.3.191

Applications of Langmuir Films in Integrated Optics

University College London, Department of Electronic & Electrical Engineering, Torrington Place, London WC1E 7JE, UK

Received 1 December 1976

Copyright © 1977 Hindawi Publishing Corporation. This is an open access article distributed under the Creative Commons Attribution License, which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited.

Abstract

This paper describes the preparation and properties of Langmuir (long-chain fatty-acid) films, for use as optical waveguides. It is shown how the refractive index and molecular thickness can be estimated by probing the films with a guided wave, and how such layers may be utilised to modify the propagation characteristics of pre-fabricated guiding structures. Cases of isotropic and anisotropic guides formed from such films are discussed, together with further uses of such films as cladding to guides and other materials.