Application of the Z-scan technique to a saturable photorefractive medium with the overlapped ground and excited state absorption

被引：14
|
作者：
Kir'yanov, AV
Barmenkov, YO
Starodumov, AN
Leppanen, VP
Vanhanen, J
Jaaskelainen, T
机构：
[1] Ctr Invest Opt, Leon 37150, Gto, Mexico
[2] Univ Joensuu, Dept Phys, FIN-80101 Joensuu, Finland
来源：
OPTICS COMMUNICATIONS | 2000年 / 177卷 / 1-6期
关键词：
Z-scan; nonlinear saturable media;
D O I：
10.1016/S0030-4018(00)00599-X
中图分类号：
O43 [光学];
学科分类号：
070207 ; 0803 ;
摘要：
Z-scan technique is applied to a saturable medium described by a generalized three-level scheme of photoexcitation in the condition of overlapping spectra of the ground and excited states. Correctness of the Z-scan data interpretation is analyzed in the framework of the model. The approach is applied for measuring the refractive indices Delta n(0) and n(2) in polymer films containing bacteriorhodopsin. (C) 2000 Published by Elsevier Science B.V. All rights reserved.
引用
收藏
页码：417 / 423
页数：7
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