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Proceedings Paper

Spectral-domain measurement of photo-induced birefringence in polymer
Author(s): Marcos R. Cardoso; Cleber R. Mendonça; Lino Misoguti
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Paper Abstract

We report a new method to study the photo-induced birefringence in polymers based on spectral fringes observed with white-light polarized light transmission. Here, a photo-induced birefringence in polymeric film was used to add a phase shift on the fringes pattern of one given reference thick waveplate. Basically, the period of the fringes and phase shift carry information about the thickness and birefringence of the reference waveplate and the film, respectively. The optical fringes were detected by a linear array spectrometer. We measured a birefringence induced by polarized argon-ion laser at 514 nm on azopolymer MDI-DR19 film.

Paper Details

Date Published: 12 February 2009
PDF: 8 pages
Proc. SPIE 7213, Organic Photonic Materials and Devices XI, 72130C (12 February 2009); doi: 10.1117/12.808015
Show Author Affiliations
Marcos R. Cardoso, Univ. de São Paulo (Brazil)
Cleber R. Mendonça, Univ. de São Paulo (Brazil)
Lino Misoguti, Univ. de São Paulo (Brazil)


Published in SPIE Proceedings Vol. 7213:
Organic Photonic Materials and Devices XI
Robert L. Nelson; François Kajzar; Toshikuni Kaino, Editor(s)

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