3RD-ORDER OPTICAL NONLINEARITIES IN PORPHYRINS WITH EXTENDED PI-ELECTRON SYSTEMS

被引：10

作者：

HOSODA, M

WADA, T

GARITO, AF

SASABE, H

机构：

[1] UNITIKA CO LTD, CTR RES & DEV, UJI, KYOTO 611, JAPAN

[2] UNIV PENN, DEPT PHYS, PHILADELPHIA, PA 19104 USA

来源：

JAPANESE JOURNAL OF APPLIED PHYSICS PART 2-LETTERS & EXPRESS LETTERS | 1992年 / 31卷 / 3A期

关键词：

NONLINEAR OPTICAL PROPERTY; 3RD-HARMONIC GENERATION; 3RD-ORDER OPTICAL SUSCEPTIBILITY; PORPHYRIN; MACROCYCLIC COMPOUND; EXTENDED PI-ELECTRON SYSTEM;

D O I：

10.1143/JJAP.31.L249

中图分类号：

O59 [应用物理学];

学科分类号：

摘要：

The third-order optical susceptibilities/chi-1111(3)(-3-omega; omega, omega, omega)\ for spin-coated films of free-base (H-2) and MnCL-octaethyl[18]porphyrins, and N,N',N'',N'''-tetramethyl-octaethyl[26]porphyrin-bistrifluoroacetate are determined by optical third-harmonic generation measurements at a wavelength of 1907 nm. The /chi(3)/ values are 1.9 x 10(-12), 2.6 x 10(12) and 1.0 x 10(-11) esu for H-2-[18]porphyrin, MnCl-[18]porphyrin, and [26]porphyrin, respectively. The enhancement of third-order nonlinear properties in macrocyclic compounds is discussed in terms of an extended pi-electron system.

引用

页码：L249 / L251

页数：3

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