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Proceedings Paper

Photo-induced refractive-index changes and birefringence in optically nonlinear polyester
Author(s): Yongqiang Shi; William H. Steier; Luping Yu; Mai Chen; Larry Raymond Dalton
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Paper Abstract

This paper presents the study of the photoinduced refractive index change and birefringence in a nonlinear optical polymer --polyester with disperse red 19 side groups. Polyester with disperse red 19 side groups showed sizable second-order nonlinear optical properties when poled under intense electric field. In addition, under ultra-violet or short wavelength visible light illumination, large photoinduced refractive index changes were measured in the near infrared region. Furthermore, with linearly polarized light illumination large photoinduced birefringence was also exhibited in the thin films of this polymer. Some device structures, such as birefringent gratings, thin film waveplates, and optical waveguides, were generated by photo exposure method. A simple theoretical model is also presented to investigate the relation between the photoinduced birefringence and the refractive index change.

Paper Details

Date Published: 1 December 1991
PDF: 9 pages
Proc. SPIE 1559, Photopolymer Device Physics, Chemistry, and Applications II, (1 December 1991); doi: 10.1117/12.50662
Show Author Affiliations
Yongqiang Shi, Univ. of Southern California (United States)
William H. Steier, Univ. of Southern California (United States)
Luping Yu, Univ. of Southern California (United States)
Mai Chen, Univ. of Southern California (United States)
Larry Raymond Dalton, Univ. of Southern California (United States)


Published in SPIE Proceedings Vol. 1559:
Photopolymer Device Physics, Chemistry, and Applications II
Roger A. Lessard, Editor(s)

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