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Spectroscopie si LASERI. LASER RADIATION AND ITS PROPERTIES

Publicat: 18 Oct 2007 | Vizualizari: 1494

In principle, the laser is a device which transforms energy from other forms into electromagnetic radiation. This is a very general definition, but it helps to understand the basic physics of the laser.


The energy put into the laser can be in any form such as:
electromagnetic radiation, electrical energy, chemical energy, etc.
Energy is always emitted from the laser as electromagnetic radiation (which includes light beams).
From this light output, the laser got part of its name: LASER = Light Amplification by Stimulated Emission of Radiation.

 
 

Quiz

În acest ”Test” este vorba cât de bine poți gândi. Deoarece unii greșesc la cele mai simple întrebări.Acesta este un așa numit „Test de Logică”.

 
 

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