Working Principle of Split Ring Resonators

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Discussion Overview

The discussion centers around the physical working principle of split ring resonators (SRRs) and their role in achieving negative permeability at a macro level. Participants seek to understand the underlying physics, including the equivalence to atomic magnetic models, the formation of capacitance, and the behavior of electric fields and current flow within SRRs.

Discussion Character

  • Exploratory
  • Technical explanation
  • Debate/contested

Main Points Raised

  • Some participants inquire about the actual physics supporting the functioning of SRRs, expressing that existing resources like Wikipedia do not provide sufficient detail.
  • There is a request for clarification on how SRRs are equivalent to atomic magnetic models and what specifically causes negative permeability within certain frequency ranges.
  • Questions are raised regarding the formation of capacitance in SRRs and its role in their operation.
  • Participants seek to understand the flow of current and the behavior of electric fields within the SRRs.
  • One participant mentions the function of the splits on each ring in SRRs, suggesting that this is explained in the Wikipedia article.

Areas of Agreement / Disagreement

Participants do not appear to reach a consensus on the explanations of SRRs, with multiple competing views and questions remaining unresolved.

Contextual Notes

Limitations include the lack of detailed explanations in existing literature, dependence on specific definitions of terms like negative permeability, and unresolved questions about the technical workings of SRRs.

abhiroop_k
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What is the physical working principle of SRR's ?
How do they result in the negative permeability at a macro level?
(either of explanation or decent links will do!)


Thanks :biggrin:
 
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abhiroop_k said:
What is the physical working principle of SRR's ?
How do they result in the negative permeability at a macro level?
(either of explanation or decent links will do!)


Thanks :biggrin:

Read : http://en.wikipedia.org/wiki/Split-ring_resonator
 
i have gone through this. what i was looking for is the actual physics supporting the functioning of the srr. wiki merely states its structure and characteristics.

how is it equivalent to an atomic (magnetic) model and what actually causes the negative permeability within the given freq range?

where exactly does the capacitance form and what role does it play?

how exactly, is the current flow/elec fields within etc.?
 
abhiroop_k said:
i have gone through this. what i was looking for is the actual physics supporting the functioning of the srr. wiki merely states its structure and characteristics.

how is it equivalent to an atomic (magnetic) model and what actually causes the negative permeability within the given freq range?

where exactly does the capacitance form and what role does it play?

how exactly, is the current flow/elec fields within etc.?

That would be a lot technical.

May be this is what you are looking for:

http://esperia.iesl.forth.gr/~ppm/PUBLICATIONS/APLv84p2943.pdf
http://infoscience.epfl.ch/record/164853/files/060.pdf

Does this help ?
 
What is the function of the splits on each ring in SRR's ?
 
abhiroop_k said:
What is the function of the splits on each ring in SRR's ?

The precise idea of that is given in the Wikipedia article in the introduction part. Read it.

For more details, refer to the links I mentioned in my previous post.
 

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