Reflection Patterns of Laser Light on Tilted Mirrors

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SUMMARY

The discussion centers on the phenomenon of laser light reflection on tilted mirrors, specifically how the points of light create a parabolic path when the mirrors are positioned to maximize reflections. Participants clarify that the observed parabola is not the path through the air but the trajectory of the laser beam as it reflects between the mirrors. Adjusting the tilt of the mirrors alters the shape of the parabola, demonstrating the relationship between mirror angle and light path. This behavior can be attributed to the principles of geometric optics and reflection.

PREREQUISITES
  • Understanding of geometric optics principles
  • Familiarity with laser light properties
  • Knowledge of reflection laws
  • Basic concepts of parabolic geometry
NEXT STEPS
  • Research the laws of reflection in geometric optics
  • Explore the mathematical equations governing parabolic shapes
  • Investigate the behavior of light in different mediums
  • Learn about laser beam divergence and its effects on reflection
USEFUL FOR

Physics students, optical engineers, and anyone interested in the behavior of light and reflection patterns in optical systems.

Gregory.gags
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This may sound stupid, but why when I shine a laser pointer at a mirror and reflect in onto another mirror back and forth, the points of light make a parabola when the mirrors are tilted in such a way as to maximize the number of reflections happening? Tilting the mirror further or closer then causes the parabola to stretch or compress exponentially. Why is this?
 
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I don't follow what your actually observing when you say: "points of light make a parabola". Is this its path through the air, like what you would see with smoke or dust in the air?
 

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