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Proceedings Paper

Glass transition temperature of polymer films forming polymeric lightguides
Author(s): Martin Osterfeld; R. Thielmann; Hilmar Franke; P. Ambrovic; M. D. Lechner
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Paper Abstract

Using index matched polymer lightguides the optical anisotropy of planar polymer films is measured with an accuracy (Delta) (Nu) <EQ 10-5. The investigation is performed with heated guides in the range of 40 degree(s)C to 110 degree(s)C. An anomaly of (Delta) (Nu) (T) at the glass transition is found. This method may be used for the determination of the glass transition of films in the thickness range of optical lightguides.

Paper Details

Date Published: 14 January 1993
PDF: 7 pages
Proc. SPIE 1774, Nonconducting Photopolymers and Applications, (14 January 1993); doi: 10.1117/12.139178
Show Author Affiliations
Martin Osterfeld, Univ. Duisburg (Germany)
R. Thielmann, Univ. Duisburg (Germany)
Hilmar Franke, Univ. Duisburg (Germany)
P. Ambrovic, Univ. Osnabrueck (Germany)
M. D. Lechner, Univ. Osnabrueck (Germany)


Published in SPIE Proceedings Vol. 1774:
Nonconducting Photopolymers and Applications
Roger A. Lessard, Editor(s)

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