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Proceedings Paper

Nonlinear optical properties of poled polymers
Author(s): Gregory Gadret; Francois Kajzar; Paul Raimond
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Paper Abstract

Second order nonlinear optical properties of doped polymer thin films are studied by optical second harmonic generation and electro-optic coefficient measurements. The studied thin films are guest-host systems and cross linked polymers with charge transfer noncentrosymmetric amines as curing agents. The in situ second harmonic generation (SHG) measurements during poling optimize the poling process and give corresponding components of (chi) (2)(- 2(omega) ;(omega) ,(omega) ) tensor depending on the fundamental harmonic electric field polarization configurations. At the same time they follow the stability of induced dipolar orientation by poling. Obviously, crosslinked polymers are more stable, whereas orientation in guest-host systems decay rapidly with time. The electro-optic measurements in thin films by reflection using the technique proposed by Teng and Man and by Schildkraut measures r33 coefficient even in the doped polymer absorption band and give its real and imaginary parts.

Paper Details

Date Published: 1 December 1991
PDF: 12 pages
Proc. SPIE 1560, Nonlinear Optical Properties of Organic Materials IV, (1 December 1991); doi: 10.1117/12.50720
Show Author Affiliations
Gregory Gadret, Commissariat a l'Energie Atomique (France)
Francois Kajzar, Commissariat a l'Energie Atomique (France)
Paul Raimond, Commissariat a l'Energie Atomique (France)

Published in SPIE Proceedings Vol. 1560:
Nonlinear Optical Properties of Organic Materials IV
Kenneth D. Singer, Editor(s)

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