HomeDLSU Dialogue: An Interdisciplinary Journal for Cultural Studiesvol. 6 no. 12&13 (1970)

The Helium Neon Gas Laser: Principles and Application

Luke Kho

Discipline: Science



The word LASER is an acronym for Light Amplification by Stimulated Emission of Radiation. Before explaining the meaning of these technical terms, let us study the special features of the ray emitted by a LASER, namely, monochromatic, coherent, collimated, intense and most often-polarized.