The Encyclopedia of Applied Physics - EAP - is a monumental first in scope, depth, and usability. It demonstrates the synergy between physics and technological applications. On more than 15,000 printed pages this established multi-reference work covers all relevant fields in physics, in particular optics, laser physics, solids, semiconductor, atom and nuclear physics, biophysics as well as all the neighboring fields of physics and engineering. The reader will benefit from a concise summary of the basics, methods and applications to all key subject areas in modern physics and physical technology.