Does Optical Reversibility Apply to Both Reflection and Refraction?

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SUMMARY

The principle of optical reversibility applies to both reflection and refraction, confirming that a beam of light will follow the same path in reverse when originating from the opposite side. The discussion emphasizes that while the geometric optics remain symmetric, there are notable breaks in symmetry regarding the intensities of the beams involved. This conclusion is supported by the application of trigonometric principles in optical scenarios.

PREREQUISITES
  • Understanding of geometric optics
  • Familiarity with the principles of reflection and refraction
  • Basic knowledge of trigonometry
  • Concept of beam intensity in optics
NEXT STEPS
  • Explore the mathematical foundations of geometric optics
  • Investigate the laws of reflection and refraction in detail
  • Study the impact of beam intensity on optical phenomena
  • Learn about applications of optical reversibility in various technologies
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Physicists, optical engineers, and students studying optics who seek to deepen their understanding of light behavior in reflection and refraction scenarios.

Kathi201
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Does the principle of optical reversibility hold for reflection as well as refraction?
 
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If i understand your question right, I would say the answer is yes. Do you mean that a beam would take the same path but in reverse direction if it came from the other "side"? The trigonometry makes the problems symmetric and thus the answer yes.

There are breaks in symmetry concerning the intensities of the beams though, but the pure geometrical optics is the same.
 

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