Refractive Index Matching

  • Thread starter baileya
  • Start date
  • #1
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I'm just wondering how it works exactly? How can a solid submersed in a liquid somewhat "disappear". I've tried googling it with no luck and I'm super intrigued by this whole concept.

PS: the more clear and simple you can explain it, the better.. I tend to get confused easily by things like this.
 

Answers and Replies

  • #2
Born2bwire
Science Advisor
Gold Member
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Reflection, refraction and diffraction rely on there being some kind of change in the material properties in the medium. If we immerse an object in some medium and both share the same primary electromagnetic properties then there will not be any distortion or pertubation to the electromagnetic waves. So if we place a homogeneous object into a fluid where both have the same index of refraction, then the light will pass through the fluid and the object without scattering. It's essentially invisible since the light behaves the same way as if the object wasn't there in the first place.
 
  • #3
22
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ohhh! that makes so much sense to me now :) thank you!
 

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