Necessary instruments for research, lasers serve as a key tool in the acquisition of data and knowledge. Laboratory work in this class has involved the use of five types of lasers. This paper discusses the operation, characteristics, and applications of these lasers. Included in this discussion are: Helium-Neon, Carbon Dioxide, Nd-YAG, Dye and Diode lasers
L.A.S.E.R.s in General - Light Amplification by Stimulated Emission of Radiation