NONLINEAR OPTICAL STUDIES OF NICKEL DITHIOLENE COMPLEXES

被引:82
作者
WINTER, CS [1 ]
OLIVER, SN [1 ]
MANNING, RJ [1 ]
RUSH, JD [1 ]
HILL, CAS [1 ]
UNDERHILL, AE [1 ]
机构
[1] UNIV COLL N WALES,DEPT CHEM,BANGOR LL57 2UW,GWYNEDD,WALES
关键词
NICKEL DITHIOLENE; NONLINEAR OPTICAL MATERIAL; REFRACTIVE INDEX; 2-PHOTON ABSORPTION; DEGENERATE 4-WAVE MIXING;
D O I
10.1039/jm9920200443
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
The third-order optical non-linearity, chi(3), linear absorption coefficient, alpha, and the ratio of the real to imaginary parts of chi(3) have been measured at 1.06-mu-m for a range of nickel dithiolene complexes with absorption bands between 0.77 and 1.06-mu-m. From these data the non-linear refractive index, n2, and the device-based figure of merit, W (= DELTA-n(sat)/alpha-lambda), were calculated. W was found to exceed 2 for materials with absorption maxima below 0.8-0.85-mu-m. The non-linear refractive index of a poly(methyl methacrylate) host doped with 8 x 10(19) molecules cm-3 of a nickel dithiolene was also measured and found to be nearly 2 x 10(-9) cm2 KW-1.
引用
收藏
页码:443 / 447
页数:5
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