Quantum optics

Photon energy
Ε = m c^2
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Photon energy
E = h ν
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Photon energy
E = h c / λ
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Photon energy
Ε = ℏ ω
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Small Planck constant
ℏ = h / (2π)
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Photon impulse
p = m c
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Photoeffect: decelerating(retarding) voltage
m v^2 / 2 = e U
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Photoeffect: energy conservation law
h ν = A + m v^2 / 2
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Photoeffect: red limit
h ν = A
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Photoeffect: red limit: light wave length
h c / λ = A
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Light pressure
p = P_0 (1+R) / c
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Power of the incident electromagnetic wave
P_0 = E / (S t)
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