MadSci Network: Physics

Subject: Can crystalline lasers be explained by recombination?

Date: Tue Jan 15 11:55:27 2002
Posted by No name entered.
Grade level: undergrad School: University of Durham
City: Durham State/Province: County Durham Country: UK
Area of science: Physics
ID: 1011113727.Ph

In semiconductors, lasing happens when electrons and holes recombine. In 
crystalline lasers like ruby, the lasing occurs when an electron falls from an 
excited state to a lower state and emits a photon. Is it correct to call this 
recombination (since essentially it is a similar process) or is there another 
term to describe it?

Re: Can crystalline lasers be explained by recombination?

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