Lasers Physics

Prof. Albert Einstein's concept on stimulated emission in 1918 became a reality in 1960 with the advent of masers and lasers. Subsequently, scientific community found many applications of lasers in various fields of science. Although, laser is a non-ionizing radiation, its power and energy may cause severe injuries if it is used carelessly at operation theatres, beauty parlours and in our daily life. Hence, laser knowledge is of utmost importance to those personnel who are in the medical as