Energy conservation and michelson interferometers

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SUMMARY

The energy of a laser beam in a Michelson interferometer that undergoes complete destructive interference returns to the source. This phenomenon is explained by the phase shift that occurs upon reflection at the beam splitter. In this context, photon interference affects detectability, while photon collisions do not alter energy, except in cases where high-energy photons result in matter creation.

PREREQUISITES
  • Understanding of Michelson interferometers
  • Knowledge of photon behavior and interference
  • Familiarity with phase shifts in optics
  • Basic concepts of two-photon physics
NEXT STEPS
  • Research the principles of Michelson interferometer design
  • Study the effects of phase shifts on light behavior
  • Explore the concept of photon collisions and energy conservation
  • Investigate two-photon physics and its implications in quantum mechanics
USEFUL FOR

Physicists, optical engineers, and students studying quantum mechanics or photonics will benefit from this discussion.

Danyon
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What happens to the energy of a laser beam when it completely deconstructively interferes with itself in a michelson interferometer?
 
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The missing energy goes back to the source. It can be understood from the phase shift attained upon reflection in the beam splitter.
 

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