LASER stands for Light Amplification by Stimulated Emission of Radiation and is an electromagnetic device that emits coherent light. Developed in 1960 by Theodore H. Maiman, lasers operate by reflecting waves within a cavity to produce a coherent output. LASER Full Form - The full form of LASER is Light Amplification by Stimulated Emission of Radiation. Know more about LASER on this page by Careers360.com. Learn the full form of LASER , its meaning, and detailed information about Light Amplification by Stimulated Emission of Radiation technology, including its applications and benefits. Full form of LASER is Light Amplification by Stimulated Emission of Radiation. The principle of LASER light is based on the principle of radiation. Click here!