The lecture was given to the students of the vocational secondary school of the General Directorate for Vocational Education on Monday 18/3/2019 with their supervisors to visit the labs of our department with 10 students. They included a scientific tour and the operation of our laboratories (laser system), (laser applications) and (Laboratory of Graduate Studies) has been explained the details of their experiments and scientific applications in addition to the concepts and basics and methods of operation of the laser and its applications.