Investigation of nonlinear absorption and aggregation in aqueous solutions of rhodamine B using thermal lens technique

被引：0
|
作者：
C. V. Bindhu
S. S. Harilal
V. P. N. Nampoori
C. P. G. Vallabhan
机构：
[1] Cochin University of Science and Technology,Laser Division, International School of Photonics
[2] Sree Narayana College,Department of Physics
来源：
Pramana | 1999年 / 52卷
关键词：
Thermal lensing; nonlinear absorption; rhodamine B; 42.65; 42.62; 31.70; 42.55;
D O I：
暂无
中图分类号：
学科分类号：
摘要：
Thermal lensing effect was studied in aqueous solutions of rhodamine B using 532 nm, 9 ns pulses from a Nd:YAG laser. A low intensity He-Ne laser beam was used for probing the thermal lens. Results obtained show that it is appropriate to use this technique for studying nonlinear absorption processes like two photon absorption or excited state absorption and for analyzing dimerization equilibria.
引用
收藏
页码：435 / 442
页数：7
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