Based on the joint scientific cooperation between the scientific and engineering departments at the University of Technology, the students of the Department of Applied Sciences / Laser Science and Technology (fourth stage) conducted a scientific visit to the optical communications laboratory in our department on Wednesday, 12/15/2021. During the visit, the students were briefed on the most important laboratory experiments, including (studying the basic properties of light-emitting diode and studying the properties of semiconductor lasers) and the scientific lecture given by the assistant lecturer (Safa Salam Radhi) and in the presence of Assistant Prof. Dr. Makram Abdel Muttalib Fakhry, the head of Optoelectronics Engineering Branch.