Novel nonlinear optical materials based on dihydropyridine organic chromophore deposited on mica substrate

被引：15

作者：

Kolev, T. ^{[2
,3
]}

Koleva, B. ^{[4
]}

Kasperczyk, J. ^{[5
]}

Kityk, Ivan ^{[1
]}

Tkaczyk, S. ^{[5
]}

Spiteler, M. ^{[6
]}

Reshak, Ali H. ^{[7
,8
]}

Kuznik, W. ^{[1
]}

机构：

[1] Silesian Tech Univ, Fac Chem, PL-44100 Gliwice, Poland

[2] BAS, Inst Organ Chem, Sofia 1113, Bulgaria

[3] Paisij Hilendarski Univ Plovdiv, Fac Chem, BG-4000 Plovdiv, Bulgaria

[4] Univ Sofia, Fac Chem, Sofia 1164, Bulgaria

[5] J Dlugosz Univ, Inst Phys, PL-42200 Czestochowa, Poland

[6] Univ Dortmund, Inst Umweltforsch, D-44221 Dortmund, Germany

[7] Univ S Bohemia, Inst Phys Biol, Nove Hrady 37333, Czech Republic

[8] Acad Sci Czech Republ, Inst Syst Biol & Ecol, Nove Hrady 37333, Czech Republic

来源：

JOURNAL OF MATERIALS SCIENCE-MATERIALS IN ELECTRONICS | 2009年 / 20卷 / 11期

关键词：

Second Harmonic Generation; Ethyliden; Mica Substrate; Second Harmonic Generation Signal; Order Susceptibility;

D O I：

10.1007/s10854-008-9828-5

中图分类号：

TM [电工技术]; TN [电子技术、通信技术];

学科分类号：

0808 ; 0809 ;

摘要：

We have synthesized novel composites based on a 1-methyl-4-[2-(3-methoxy-4-oxocyclohexadienyliden)ethyliden]-1,4-dihydropyridine chromophore incorporated into a polymer PMMA host (weight content of 7.5%) deposited on the mica substrate. In the result of simultaneous application of external dc-electric field and thermal heating we have measured values of second order optical effect of about 122 pm/V at 1,064 nm fundamental laser wavelength. This effect show very weak reversibility after the dc-field switching off. Optical properties of the embedded compound were elucidated by means of IR-LD spectroscopy of oriented colloids in nematic host. UV-spectroscopy, 1H- and 13C-NMR methods were also used. Quantum chemical calculations have been carried out in order to describe electronic structure and optical properties.

引用

页码：1073 / 1077

页数：5

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