Imagine that there is a laser system with three levels of energy and low pumping. Assuming that the laser action takes place between the first and the second level. The inverse number of this system is * N₂-N₁ = Option 2 N₂-N₁ = A Rp A32 + A31 A21-B₂1P(v) Rp P A32 - A31 A21-B₂1P(V) Rp + Rp
Imagine that there is a laser system with three levels of energy and low pumping. Assuming that the laser action takes place between the first and the second level. The inverse number of this system is * N₂-N₁ = Option 2 N₂-N₁ = A Rp A32 + A31 A21-B₂1P(v) Rp P A32 - A31 A21-B₂1P(V) Rp + Rp
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Transcribed Image Text:Imagine that there is a laser system with
three levels of energy and low pumping. Assuming
that the laser action takes place between the first
and the second level. The inverse number of this system is
Rp
Rp
A + A3.
31
P.
N,-N, =
32
A-Bp(v)
Option 2
Rp
A – A
+ Rp
32
N, – N, =-
A- Bp(v)
21
21
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