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Appl. Sci. 2012, 2(4), 682-708; doi:10.3390/app2040682
Review

Fluorinated and Non-Fluorinated Electro-Optic Copolymers: Determination of the Time and Temperature Stability of the Induced Electro-Optic Coefficient

Dipartimento di Scienze di Base ed Applicate per l’Ingegneria, Sapienza Università di Roma and CNISM/Via A. Scarpa 14, I-00161 Roma, Italy
Received: 12 September 2012 / Revised: 28 September 2012 / Accepted: 28 September 2012 / Published: 9 October 2012
(This article belongs to the Special Issue Feature Papers)
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Abstract

Organic fluorinated materials demonstrate their excellent electro-optic properties and versatility for technological applications. The partial substitution of hydrogen with fluorine in carbon-halides bounds allows the reduction of absorption losses at the telecommunication wavelengths. In these interesting compounds, the electro-optic coefficient was typically induced by a poling procedure. The magnitude and the time stability of the coefficient is an important issue to be investigated in order to compare copolymer species. Here, a review of different measurement techniques (such as nonlinear ellipsometry, second harmonic generation, temperature scanning and isothermal relaxation) was shown and applied to a variety of fluorinated and non-fluorinated electro-optic compounds.
Keywords: electro-optic polymers; fluorinated polymers; electro-optic time stability electro-optic polymers; fluorinated polymers; electro-optic time stability
This is an open access article distributed under the Creative Commons Attribution License which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited.

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MDPI and ACS Style

Belardini, A. Fluorinated and Non-Fluorinated Electro-Optic Copolymers: Determination of the Time and Temperature Stability of the Induced Electro-Optic Coefficient. Appl. Sci. 2012, 2, 682-708.

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