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by Ciro Santilli (@cirosantilli, 25)
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Metastable electron

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A fundamental component of three-level lasers.
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As mentioned at youtu.be/_JOchLyNO_w?t=581 from Video "How Lasers Work by Scientized (2017)", they stay in that state for a long time compared to non spontaneous emission of metastable states!
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phys.libretexts.org/Courses/University_of_California_Davis/UCD%3A_Physics_9HE_-_Modern_Physics/06%3A_Emission_and_Absorption_of_Photons/6.3%3A_Lasers mentions that they are kept in that excited state due to selection rules.

 Ancestors

  1. Selection rule
  2. Forbidden mechanism
  3. Spectral line
  4. Emission spectrum
  5. Quantum mechanics experiment
  6. Quantum mechanics
  7. Particle physics
  8. Physics
  9. Natural science
  10. Science
  11. Index

 Incoming links

  • Laser

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