MEASUREMENT OF 3RD-ORDER NONLINEARITIES OF SIDE-CHAIN-SUBSTITUTED POLYMERS

被引：16

作者：

TORRUELLAS, WE ^{[1
]}

ZANONI, R ^{[1
]}

MARQUES, MB ^{[1
]}

STEGEMAN, GI ^{[1
]}

MOHLMANN, GR ^{[1
]}

ERDHUISEN, EWP ^{[1
]}

HORSTHUIS, WHG ^{[1
]}

机构：

[1] AKZO CORP RES,CORP RES,DEPT APPL PHYS,6800 SB ARNHEM,NETHERLANDS

来源：

CHEMICAL PHYSICS LETTERS | 1990年 / 175卷 / 03期

关键词：

D O I：

10.1016/0009-2614(90)85554-P

中图分类号：

O64 [物理化学（理论化学）、化学物理学];

学科分类号：

070304 ; 081704 ;

摘要：

Optical third harmonic generation at 1.904, 1.579 and 1.064 μm experiments have been performed on thin films fabricated from side chain polymers containing effectively 4-dialkylamino-nitro-benzene, 4-dialkylamino-4′-nitro-stilbene, 4-dialkylamino-4′-nitro-diphenylbutadiene, 4-dialkylamino-4′-nitro-diphenylhexatriene as the side groups. We have measured values of χ(3) (-3ω; ω, ω, ω) in the range of 0.54 × 10-12 to 7.42 × 10-12 esu, at 1.904 μm incident radiation, which are comparable to the nonresonant values found in fully conjugated back-bone polymers [1]. The values of χ(3) at both 1.904 and 1.579 μm change by a factor of 15 as the conjugation length is increased. © 1990.

引用

页码：267 / 272

页数：6

共 15 条

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