Light and its uses : making and using lasers, holograms, interferometers, and instruments of dispersion : readings from Scientific American / with introductions by Jearl Walker. Scientific American. Lasers. Holography. Interferometers. Spectrum analysis Instruments. TA1688 .L53 621.36 LIG At head of title: The amateur scientist. Includes index. Bibliography: p. [143]-144. San Francisco : W. H. Freeman, 1980. 1980. 1980 Text viii, 147 p. : eng