Volume 11, Issue 2 (International Journal of Optics and Photonics (IJOP) Vol 11, No 2, Summer-Fall 2017)                   IJOP 2017, 11(2): 123-132 | Back to browse issues page

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PhD Iran University of Science and Technology
Abstract:   (1015 Views)

In this paper, the dynamic behavior of laser induced optical breakdown in impure water was studied by using a pump- probe technique. The plasma was induced by a 1064 nm Nd:YAG laser pulse (with pulse duration ~10 ns) in distilled water with two types of impurities: (I) a solution (highly diluted salt water as a conductor) and (II) a colloidal (TiO2 in colloidal nanoparticle form as a dielectric); and finally the results were compared. The results show that, for both liquids, the probe beam transmission is reduced with pump laser intensity. Our results also show that, impurity size and type of conductivity can influence on plasma time evolution and transmissivity. 

Full-Text [PDF 590 kb]   (381 Downloads)    
Type of Study: Research | Subject: General
Received: 2016/07/4 | Revised: 2016/11/24 | Accepted: 2016/12/4 | Published: 2017/08/8