Radiation trapping, imprisonment of resonance radiation, radiative transfer of spectral lines, line transfer or radiation diffusion is a phenomenon in physics whereby radiation may be "trapped" in a system as it is emitted by one atom and absorbed by another.^[1][2]

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[edit] References

1. ^ Primer on Collisions
2. ^ * Molisch, Andreas F. & Bernard P. Oehry (1998), written at Oxford, Radiation Trapping in Atomic Vapours, Oxford University Press, ISBN 0198538669, <http://books.google.com/books?vid=ISBN0198538669&id=JoELZdSUzKEC&printsec=frontcover&dq=isbn:0198538669&sig=pCHyneMvSvLQtSJBWA6b-A0vRr0>. Retrieved on June 18, 2006.