MEASUREMENTS OF REFRACTIVE-INDEX DISPERSION BY OPTICAL WAVEGUIDING

被引:12
作者
TANAKA, K
机构
[1] Department of Engineering Science, Faculty of Engineering, Hokkaido University
关键词
D O I
10.1063/1.90633
中图分类号
O59 [应用物理学];
学科分类号
摘要
A technique for measuring the refractive-index dispersion in light-guiding thin films by means of the prism-coupling method is reported. A collimated polychromatic light beam is employed, and the wavelength dependence of synchronous angles is determined spectroscopically. A representative experiment performed on an amorphous specimen reveals its usefulness for investigating the detailed dispersion characteristics of thin films with accuracies better than 0.001.
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页码:672 / 674
页数:3
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