What Happens When Photon Energy Differs in Stimulated Emission?

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Discussion Overview

The discussion revolves around the effects of photon energy differences in the context of stimulated emission, particularly when the energy of incident photons does not match the energy difference between two atomic energy levels. Participants explore the implications of this mismatch on the probability of stimulated emission and related coefficients.

Discussion Character

  • Exploratory, Technical explanation, Debate/contested

Main Points Raised

  • One participant questions what occurs when incident photons have energy different from the energy difference of atomic levels, seeking clarification on the stimulated emission coefficient in this scenario.
  • Another participant expresses uncertainty about whether the discussion pertains to the photons produced by stimulated emission or the incident photons that stimulate the emission.
  • A clarification is made that the focus is on the incident photons striking excited atoms.
  • It is noted that the probability of stimulated emission decreases rapidly as the energy of the incident photon deviates from the energy difference between the two atomic levels, although the mathematical details are not provided.
  • One participant references Einstein coefficients, stating that they are equal when the energy of the photon matches the energy difference between the atomic levels.

Areas of Agreement / Disagreement

Participants express differing levels of understanding regarding the implications of photon energy differences on stimulated emission, and the discussion remains unresolved with multiple viewpoints presented.

Contextual Notes

There are limitations in the mathematical details provided regarding the probability of stimulated emission and the specific conditions under which Einstein coefficients apply.

Who May Find This Useful

This discussion may be of interest to those studying quantum mechanics, atomic physics, or anyone exploring the principles of stimulated emission and photon interactions.

fxdung
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Please teach me: if stimulate photons have energy different from the difference of two energy levels of atom then what is happened?What is coefficient of the stimulate emission in this case?
 
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fxdung said:
Please teach me: if stimulate photons have energy different from the difference of two energy levels of atom then what is happened?

I'm uncertain which type of photons you are referring to. Stimulated (the photon produced) or stimulating the incident photon)?
 
I mean the incident photon that striking on excited atoms.
 
fxdung said:
I mean the incident photon that striking on excited atoms.

The probability of stimulated emission falls very rapidly as the energy of the photon moves away from the energy difference between the two energy levels, but I confess I don't know the mathematical details.
 
How do we know that?But I know Eisntein coefficents B=B' when energy of photon equal the difference of energy levels of atom.
 

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