Moamel Ismail Kazem fazaa, Sadiq Fahim Jiad Abdel Hamza, Mohammed Qasim Dhaidan malgoth and Mohammed Qasim fleifel Gayad 2024. Study the improving the optical properties of laser day by doped nanomaterials. Eurasian Journal of Research, Development and Innovation. 33, (Jun. 2024), 513–518.