**Author details**

Rasha H. Mahdi1 \* and Hussein A. Jawad2

1 Laser and Optoelectronics Department, College of Engineering, Al-Nahrain University, Jadriya, Baghdad, Iraq

2 Institute of Laser for Postgraduate Studies, University of Baghdad, Baghdad, Iraq

\*Address all correspondence to: rasha.h.mahdi@nahrainuniv.edu.iq

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