Calculation of refractive index changes from thermal lens fringes using continuous wavelet algorithm

被引：2
|
作者：
Sarac, Zehra
Dursun, Ali
Yerdelen, Sundus
Ecevit, F. Necati
机构：
[1] Gebze Inst Technol, Dept Elect Engn, TR-41400 Kocaeli, Turkey
[2] Kafkas Univ, Fac Educ, Kars, Turkey
[3] Gebze Inst Technol, Dept Phys, TR-41400 Kocaeli, Turkey
来源：
OPTICS AND LASER TECHNOLOGY | 2007年 / 39卷 / 04期
关键词：
thermal lens; refractive index change; wavelet transform;
D O I：
10.1016/j.optlastec.2006.03.001
中图分类号：
O43 [光学];
学科分类号：
070207 ; 0803 ;
摘要：
Thermal lens fringes are obtained on the nile-blue/ethanol solution by illuminating it with a He-Ne laser in a Mach-Zehnder interferometer. The refractive index change distribution of these fringes is calculated by using two different continuous wavelet transform (CWT) algorithms. It is concluded that the CWT-phase method works better than the CWT-gradient algorithm for the analysis of thermal lens fringes according to theoretical results. (c) 2006 Elsevier Ltd. All rights reserved.
引用
收藏
页码：769 / 773
页数：5
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