Laser - Light Amplification by Stimulated Emission of Radiation

•In 1917 Albert Einstein, in his paper Zur Quantentheorie der Strahlung (On the Quantum Theory of Radiation), laid the foundation for the invention of the laser and its predecessor, the maser

•In 1955 Prokhorov and Basovproduced the first maser

•The term "laser" was first introduced to the public in Gould's 1959 conference paper "The LASER, Light Amplification by Stimulated Emission of Radiation„

•The first working laser was made by Theodore H. Maiman in 1960

• The term laser is short Light Amplification by Stimulated Emission of Radiation.
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