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Proceedings Paper

Characterization Of Magnetooptical Thin Films For Sensor Use
Author(s): Hans Sohlstrom; Ulf Holm; Kjell G. Svantesson
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Paper Abstract

As a part of a fibre optical sensor development project we have made an evaluation of different optical waveguiding techniques to study the properties of thin magnetooptical films. Because of the application the methods are focused on the determination of the Faraday rotation, the linear birefringence and the dynamics and anisotropy of the magnetic properties of the samples. Measurements using holographic grating, prism and edge (end-fire) light coupling to different substituted YIG films are presented. The advantages of the different methods are discussed and it is shown that the launching technique may affect the properties to be measured. Film stress caused by the prism coupling method is found to influence the magnetic anisotropy.

Paper Details

Date Published: 14 December 1989
PDF: 8 pages
Proc. SPIE 1126, Electro-Optic and Magneto-Optic Materials and Applications, (14 December 1989); doi: 10.1117/12.961384
Show Author Affiliations
Hans Sohlstrom, Royal Institute of Technology (Sweden)
Ulf Holm, Royal Institute of Technology (Sweden)
Kjell G. Svantesson, Swedish Institute of Microelectronics (Sweden)

Published in SPIE Proceedings Vol. 1126:
Electro-Optic and Magneto-Optic Materials and Applications
Jean-Paul Castera, Editor(s)

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