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Titolo:
A COMPARISON OF PHOTOINDUCED POLING AND THERMAL POLING OF AZO-DYE-DOPED POLYMER-FILMS FOR 2ND-ORDER NONLINEAR-OPTICAL APPLICATIONS
Autore:
BLANCHARD PM; MITCHELL GR;
Indirizzi:
UNIV READING,CTR POLYMER SCI,JJ THOMPSON PHYS LAB READING RG6 2AF BERKS ENGLAND UNIV READING,CTR POLYMER SCI,JJ THOMPSON PHYS LAB READING RG6 2AF BERKS ENGLAND
Titolo Testata:
Applied physics letters
fascicolo: 15, volume: 63, anno: 1993,
pagine: 2038 - 2040
SICI:
0003-6951(1993)63:15<2038:ACOPPA>2.0.ZU;2-1
Fonte:
ISI
Lingua:
ENG
Soggetto:
2ND-HARMONIC GENERATION; HARMONIC-GENERATION; ELECTRIC-FIELD;
Tipo documento:
Article
Natura:
Periodico
Settore Disciplinare:
Science Citation Index Expanded
Citazioni:
15
Recensione:
Indirizzi per estratti:
Citazione:
P.M. Blanchard e G.R. Mitchell, "A COMPARISON OF PHOTOINDUCED POLING AND THERMAL POLING OF AZO-DYE-DOPED POLYMER-FILMS FOR 2ND-ORDER NONLINEAR-OPTICAL APPLICATIONS", Applied physics letters, 63(15), 1993, pp. 2038-2040

Abstract

Photoinduced poling (PIP) is a new technique which allows the room-temperature preparation of pest/host polymer films exhibiting significant polar order for nonlinear optical applications. We report a comparison of this novel technique with the conventional electrode poling procedure performed at the glass transition temperature of the polymer using disperse red 1/poly(methylmethacrylate) films. In particular, in situ second harmonic generation measurements show that levels of polar order achieved using these two techniques are similar. In contrast, thestability of the polar order is reduced by up to 20 times in terms ofthe decay time constant in films prepared using PIP although the stability is very dependent upon the temperature at which the poling was performed.

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Documento generato il 25/10/20 alle ore 12:13:34