Very high numerical aperture fibers

W J Wadsworth, R M Percival, G Bouwmans, J C Knight, T A Birks, T D Hedley, P S Russell

Research output: Contribution to journalArticlepeer-review

128 Citations (SciVal)
305 Downloads (Pure)


Air-silica microstructured fibers are designed and fabricated to yield numerical aperture (NA) greater than 0.9. A model is presented which accurately predicts the structural parameters required in order to realize high NAs. Such fibers have application in lasers and laser-induced-fluorescence systems.
Original languageEnglish
Pages (from-to)843-845
Number of pages3
JournalIEEE Photonics Technology Letters
Issue number3
Publication statusPublished - Mar 2004


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