Can two independent sources of light be coherent?

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SUMMARY

Two independent sources of light can indeed be coherent if they emit waves of the same frequency or wavelength. Coherence refers to the correlation between the phases of waves emitted by these sources. This phenomenon is crucial in applications such as interferometry and laser technology, where maintaining phase relationships enhances measurement precision and signal quality.

PREREQUISITES
  • Understanding of wave properties, specifically frequency and wavelength
  • Familiarity with the concept of coherence in physics
  • Basic knowledge of light sources, particularly lasers
  • Awareness of applications in interferometry
NEXT STEPS
  • Research the principles of wave coherence in optics
  • Explore the role of lasers in achieving coherence
  • Study interferometry techniques and their applications
  • Investigate the mathematical models describing phase relationships in wave phenomena
USEFUL FOR

Physicists, optical engineers, and students studying wave optics or laser technology will benefit from this discussion.

Sparkle2009
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Can two independent sources of light be coherent?
 
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What do you think? How far have you got?
 


I think yes as long as they emit waves of same frequency or wavelength.
 

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