Two and three photon absorption in rhodamine 6G methanol solutions using pulsed thermal lens technique

被引：12
|
作者：
Bindhu, CV
Harilal, SS [1 ]
Kurian, A
Nampoori, VPN
Vallabhan, CPG
机构：
[1] Cochin Univ Sci & Technol, Int Sch Photon, Laser Div, Cochin 682022, Kerala, India
[2] Sree Narayana Coll, Dept Phys, Cherlhala 688582, India
来源：
JOURNAL OF NONLINEAR OPTICAL PHYSICS & MATERIALS | 1998年 / 7卷 / 04期
关键词：
D O I：
10.1142/S0218863598000387
中图分类号：
O43 [光学];
学科分类号：
070207 ; 0803 ;
摘要：
Dual beam transient thermal lens studies were carried out in rhodamine 6G methanol solutions using 532 nm pulses from a frequency doubled Nd:YAG laser. Analysis of thermal lens signal shows the existence of different nonlinear processes like two photon absorption and three photon absorption phenomena along with one photon absorption. Concentration of the dye in the solution has been found to influence the occurrence of the different processes in a significant way.
引用
收藏
页码：531 / 538
页数：8
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