Luneburg Lenses: Understanding Diffraction, Spill-over and Focusing

  • Context: Graduate 
  • Thread starter Thread starter Jean Bickle
  • Start date Start date
  • Tags Tags
    Diffraction Lenses
Click For Summary

Discussion Overview

The discussion revolves around the optics of Luneburg lenses, specifically addressing questions about their functioning, potential losses due to diffraction and spill-over, and the capability to focus a single image using these lenses. The scope includes conceptual understanding and practical implications of Luneburg lenses.

Discussion Character

  • Exploratory
  • Conceptual clarification

Main Points Raised

  • Jean seeks an explanation of how Luneburg lenses work and inquires about losses due to diffraction and spill-over.
  • Jean questions the possibility of focusing a single image with a Luneburg lens.
  • One participant suggests that Jean could find information by searching online, specifically referencing Wikipedia.
  • Another participant offers a PDF with detailed information about Luneburg lenses, which Jean finds helpful.
  • A participant shares links to animations related to Luneburg lenses, potentially to aid in understanding their function.

Areas of Agreement / Disagreement

The discussion does not present a consensus on the specifics of how Luneburg lenses work or the extent of losses due to diffraction and spill-over. Multiple viewpoints and resources are shared, but no definitive answers are established.

Contextual Notes

Participants have not fully explored the technical details of diffraction and spill-over losses, nor have they clarified the conditions under which a single image can be focused. The discussion remains open-ended regarding these aspects.

Jean Bickle
Messages
3
Reaction score
0
Hi there!

I wonder if anyone could explain to me exactly how the optics of Luneburg lenses work? Are there any major losses due to diffraction, spill-over etc? Is it possible to focus just one image using this lens?

Thanks,

Jean
 
Astronomy news on Phys.org
Jean Bickle said:
Hi there!

I wonder if anyone could explain to me exactly how the optics of Luneburg lenses work? Are there any major losses due to diffraction, spill-over etc? Is it possible to focus just one image using this lens?

Thanks,

Jean

just google it u can find it
http://en.wikipedia.org/wiki/Luneburg_lens
 
Yes, I knew that. Was just wondering whether anyone could explain it in a few simple words.

Thanks anyway though!

Jean
 
Hi jean ,sorting out your question,some nice pictures
this notes might be useful
 

Attachments

Hi phsixlover,

Thanks for your help! The pdf you sent gives really good information and at just the right detail I wanted!

Thanks!
 

Similar threads

  • · Replies 13 ·
Replies
13
Views
3K
  • · Replies 2 ·
Replies
2
Views
2K
  • · Replies 1 ·
Replies
1
Views
2K
  • · Replies 226 ·
8
Replies
226
Views
17K
Replies
1
Views
1K
Replies
1
Views
2K
  • · Replies 10 ·
Replies
10
Views
3K
  • · Replies 4 ·
Replies
4
Views
3K
  • · Replies 24 ·
Replies
24
Views
3K
  • · Replies 1 ·
Replies
1
Views
2K