3RD-ORDER NONLINEAR-OPTICAL SUSCEPTIBILITIES BY LASER SELF-TRAPPING AND DEGENERATE 4-WAVE-MIXING IN OLIGOTHIENYLDICYANOVINYLENE SOLUTIONS

被引：8

作者：

JOSHI, MV ^{[1
]}

CAVA, MP ^{[1
]}

LAKSHMIKANTHAM, MV ^{[1
]}

METZGER, RM ^{[1
]}

ABDELDAYEM, H ^{[1
]}

HENRY, M ^{[1
]}

VENKATESWARLU, P ^{[1
]}

机构：

[1] ALABAMA A&M UNIV,DEPT PHYS,NORMAL,AL 35762

来源：

SYNTHETIC METALS | 1993年 / 57卷 / 01期

基金：

美国国家科学基金会;

关键词：

D O I：

10.1016/0379-6779(93)90544-7

中图分类号：

T [工业技术];

学科分类号：

08 ;

摘要：

The solution third-order non-linear optical susceptibility chi(3) values, measured by laser self-trapping at 514.5 nm for chloroform solutions of bis(dicyanovinyl)thiophene 4 (2.9 x 10(-7) esu), bis- (dicyanovinyl)dithienyl 5 (1.1 x 10(-4) esu), bis(dicyanovinyl)trithienyl 6 (1.1 x 10(-5) esu), values are affected by resonance and solution heating effects. Chi(3) (-omega; omega, omega, -omega) was measured by degenerate four-wave mixing at 1064 nm for chloroform (C) and pyridine (P) solutions of dicyanovinylthiophene 1, dicyanovinyldithienyl 2, dicyanovinylterthienyl 3, and bis(dicyanovinyl)thiophene 4. The molecular second-order hyperpolarizabilities are gamma/esu = 8.7 x 10(-33) (1, C), -6.3 X 10(-33) (1, P), 2.2 x 10(-33) (2, C), 3.7 x 10(-31) (3,C), 6.1 X 10(-32) esu (3, P), 2.8 x 10(-31) (4, P).

引用

页码：3974 / 3979

页数：6

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