For the Ruby LASER, why are the pumping levels energy bands whereas the las

Subject: For the Ruby LASER, why are the pumping levels energy bands whereas the las

Date: Wed Jun 13 22:00:24 2012
Posted by Kah Hean
Grade level: 10-12 School: Hwa Chong Institution
City: Singapore State/Province: No state entered. Country: No country entered.
Area of science: Physics
ID: 1339650024.Ph

Message:


For the Ruby LASER, why are the pumping levels energy bands whereas the lasing 
metastable energy lines? Shouldn't they all be energy bands since Ruby is a 
solid?

Re: For the Ruby LASER, why are the pumping levels energy bands whereas the las

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