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help needed to sort out number of atoms/sec
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athar_s



Joined: 20 Sep 2005
Posts: 5
Post16 Oct 2005 21:49   

help needed to sort out number of atoms/sec
Solution needed for the following question

Determine the no. of atoms/sec that must make a stimulated emission transition in a master/laser device if it is to have a power of one watt at
a.)Frequency=3000MHZ
b.)λ=10µm
c.)λ=500nm

answers
a.)5*10^23
b.)5*10^19
c.)2.5*10^-6
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irfan1



Joined: 26 Oct 2003
Posts: 292
Helped: 15
Post17 Oct 2005 3:06   

Re: help needed to sort out number of atoms/sec
seems like a homework question?
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