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1. Won't the electrons get knocked out of the atom during the pumping action instead of just getting excited to higher energy level in LASERS?
2. why doesn't the electron in meta stable state(higher energy state) go to much higher energy level during STIMULATED emission instead of losing energy and emitting a photon? This is the opposite of ionization of the atom, if I'm not wrong.
3.Finally, what happens to the light emitted by spontaneous emission in HE-Ne laser? Won't it mix with the LASER light?
2. why doesn't the electron in meta stable state(higher energy state) go to much higher energy level during STIMULATED emission instead of losing energy and emitting a photon? This is the opposite of ionization of the atom, if I'm not wrong.
3.Finally, what happens to the light emitted by spontaneous emission in HE-Ne laser? Won't it mix with the LASER light?
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