Hassan H. Mohammed The author has a BSc in physics from Basrah University (honor) in 1972, MSc in (molecular physics) in 1975, DEA and PhD from the University of Paris 11 (Orsay), France in 1981. The thesis was in the field of (matrix isolation optical spectroscopy using laser sources). The fields of interests are: lasers in spectroscopy, lasers in medicine, nanotechnology, photodetectors, optical communications and tracking and philosophy of physics. He worked as a lecturer and research staff at the University of technology and chief researchers and head of lasers and optoelectronics center at the Ministry of Science and

Technology (MOST), Baghdad. In 2008 he joined the University of Basrah, physics department and worked as an assistant professor first and then as a full professor in physics. At present he connected with the Iraq University college, department of technical computer engineering as a lecturer and research staff. Professor Mohammed has published 44 articles, supervised 36 MSc and PhD theses during the research period, and also has 4 patents in applied physics field. He published two books, and two chapters in two specialized books. He awarded the medal of scientists in Iraq for his contribution in scientific researches. He also received the Shield of Excellence from the Iraqi Ministry of Higher Education and Scientific Research and another from the Iraq University College for his scientific contributions in the field of specialization.