Picosecond Z-scan measurements on a glass-ceramic containing sodium niobate nanocrystals

被引：22

作者：

Maciel, GS

de Araújo, CB ^{[1
]}

Lipovskii, AA

Tagantsev, DK

机构：

[1] Univ Fed Pernambuco, Dept Fis, BR-50670901 Recife, PE, Brazil

[2] St Petersburg State Tech Univ, St Petersburg 195251, Russia

[3] SI Vavilov State Opt Inst, St Petersburg 193171, Russia

来源：

OPTICS COMMUNICATIONS | 2002年 / 203卷 / 3-6期

关键词：

D O I：

10.1016/S0030-4018(02)01189-6

中图分类号：

O43 [光学];

学科分类号：

070207 ; 0803 ;

摘要：

The third-order nonlinearity of a glass-ceramic containing sodium niobate (NaNbO3) nanocrystals was studied using the Z-scan technique. The measurements were performed at 532 nm with 70-ps pulses at 5 Hz. Two-photon absorption coefficients and light-induced refractive index changes were determined. The results show dependence of the nonlinear parameters on the volume fraction of NaNbO3 crystallites. (C) 2002 Elsevier Science B.V. All rights reserved.

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页码：441 / 444

页数：4

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