Contains the lectures and seminars presented at the NATO ASI, which illustrated the basic aspects of the new, advanced laser sources as well as the rapidly developing technical applications. Among the specific topics: defining and measuring laser beam quality, quantum confined semiconductor lasers, diode pumped solid state lasers, quasi-three-level lasers, color center lasers, fiber lasers, diode lasers and metrology, overtone molecular spectroscopy with diode lasers, and optical frequency metrology with solid state lasers. Annotation copyright Book News, Inc. Portland, Or.