‎"‎The purpose of this book is that to show the fundamental knowledge of modern atomic and molecular physics with a broad sight into optical physics and quantum optics‎.‎ All of these topics actually constitute a vital area of active and highly productive research in physics‎.‎ Moreover‎,‎ these physical contents continues to constitute an indispensable basis for any more profound understanding of nearly all branches of physical chemistry and in the last years of biological and material sciences‎.‎‎"‎