Vladimir Protopopov is Leading Research Scientist at the Moscow State University and Principal Engineer at Samsung Electronics Co., Mechatronics Center. He received his Ph.D. and Dr.Sc. degrees in the fields of radio-physics and applied optics. He is a co-author of other books: «Methods of Processing of Optical Fields», «Laser Radars», and «Infrared Laser Radars» published in Russia, United States and Yugoslavia. Apart of the visible optics domain, his research interests include X-ray optics where he is widely known as a pioneer of the depth-graded multilayer optical elements. He is the author of some sixty scientific articles and dozens of patents.