Z-scan measurements using femtosecond continuum generation

被引:51
作者
De Boni, L [1 ]
Andrade, AA [1 ]
Misoguti, L [1 ]
Mendonça, CR [1 ]
Zilio, SC [1 ]
机构
[1] Univ Sao Paulo, Inst Fis Sao Carlos, BR-13560970 Sao Carlos, SP, Brazil
来源
OPTICS EXPRESS | 2004年 / 12卷 / 17期
关键词
D O I
10.1364/OPEX.12.003921
中图分类号
O43 [光学];
学科分类号
070207 ; 0803 ;
摘要
We present a single beam Z-scan technique using an intense, broadband, white-light continuum (WLC) beam for the direct measurement of nonlinear absorption spectra. In order to demonstrate the validity of our technique, we compared the results of tetraaniline and Sudan 3 solutions obtained with WLC and conventional single wavelength light sources. Both approaches lead to the same nonlinear spectrum, indicating that the association of the Z-scan technique and the WLC source results in an useful method for the measurement of nonlinear spectra of both absorbing (saturable absorption or reverse saturable absorption) and transparent (two-photon absorption) samples. (C) 2004 Optical Society of America.
引用
收藏
页码:3921 / 3927
页数:7
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