The structure of PCF

  • Thread starter Imperatore
  • Start date
Hey there!

I got two pictures of PCF's cross sections.

Can anybody tell me if these PCF are the same? I mean, why there is an outer ring of smaller air holes in the pic 2, what does that ring represents? (core, cladding)
Thanks for the thread! This is an automated courtesy bump. Sorry you aren't generating responses at the moment. Do you have any further information, come to any new conclusions or is it possible to reword the post? The more details the better.

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