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Lasers

4/22/2016

1 Comment

 
Stimulated Emission.
Population Inversion.
Amplification.
Resonance.
Picture
source: http://imedea.uib-csic.es/~salvador/docencia/coms_optiques/addicional/ibm/ch03/03-06.html
In a relaxed condition, only a specific set of energy states, states of being, are available.  However, with continued pumping, or charging up with photons and energy at the proper frequency, the material/substrate will enter into a previously unavailable energy state (population inversion?) causing a cascading amplification and radiation effect.
Edit: Population inversion is when the majority of entities are occupying higher energy states.  Hmm.  This is when the cascading lasing effect then occurs.
Picture
1 Comment
Backpack Ben link
5/31/2022 02:10:59 am

Great rread thankyou

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    Kendra is the founder of 4Love+Science and works as a Science and Community Consultant

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