Related terms:
spontaneous emission
gain medium
population inversion
schawlow
maser
atoms in the excited state
optical maser
optical amplification
stimulated emission of radiation
townes
number of atoms
planck's law
fel
energy state
lower energy
prokhorov
spectral line
tunable
confocal laser scanning
pump light
absorption and emission
super resolution
amplification by stimulated emission
Wikipedia sources:
Laser
Stimulated emission
Population inversion
Maser
Super resolution microscopy
STED microscopy
Optical amplifier
Laser diode
Laser science
Photon
Atomic spectral line
Free-electron laser
Spontaneous emission
Charles Hard Townes
Astrophysical maser
Context for words:
stimulated
emission
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