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Article | REF: P2685 V1

Laser spectrometry for analysis and characterization

Authors: Sylvain LAZARE, Éric MOTTAY

Publication date: June 10, 2007

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1. Laser basics

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1.1 Absorption, spontaneous emission, stimulated emission and amplification

The laser effect (light amplification by stimulated emission of radiation) was demonstrated around 1960 . It is the result of transitions between electronic or vibrational levels on an atomic scale in media of high optical quality, where one direction of propagation...

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