Laser Energy Levels
Highly Excited
Meta
Stable
Stable
Ground State
Excitation
Phase
Phase
Relaxation to
Metastate
Metastate
Laser
Emission
Emission
Highly Excited
Meta
Stable
Stable
Ground State
Lower
Laser
Laser
Excitation
Phase
Phase
Relaxation to
Metastate
Metastate
Laser
Emission
Emission
Natural
Depopulation
Depopulation
Three Level Laser
Start
Applet Speed
Four Level Laser
Start
Ground State Electrons
Metastable Electrons
Highly Excited Electrons
Lower Laser Level Electrons