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Scattering (Read 1607 times)
Gerrit-Jan Linker
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Scattering
18.09.09 at 12:53:01
 
Scattering
 
When electromagnetic radiation falls onto an atom or molecule, the electric field of the radiation tends to disturb the charge cloud around the atom or molecule. A dipole is induced.
 
An oscillating electric field will induce an oscillating dipole.  
 
In turn the oscillating dipole will become a source of radiation. (An oscillating positive and negative charge will generate an electric field.)
 
The eminating field is propagated in all directions. In other words, the disturbed atom or molecule becomes a source of electromagnetic radiation of the same frequency as the incident radiation.  
 
This is the process of scattering.
 
The secondary electromagnetic radiation will interfere with the incident radiation.  
 
Source:
Fundamentals of fotochemistry.
 
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Gerrit-Jan Linker
Linker IT Software
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