Modal analysis of antiresonant hollow core fibers using S2 imaging

Amy Van Newkirk, J. E. Antonio-Lopez, James Anderson, Roberto Alvarez-Aguirre, Zeinab Sanjabi Eznaveh, Gisela Lopez-Galmiche, Rodrigo Amezcua-Correa, Axel Schülzgen

Research output: Contribution to journalArticlepeer-review

26 Scopus citations


We analyze the higher-order core mode content in various designs of antiresonant hollow core fibers using spatially and spectrally resolved imaging. Hollow core fibers have great potential for a variety of applications, and understanding their mode content is crucial for many of these. Two different designs of hollow core fibers are considered, the first with eight nontouching rings and the second with eight touching rings forming a closed boundary core. The mode content of each fiber is measured as a function of length and bending diameter. Low amounts of higher-order modes were found in both hollow core fibers, and mode specific and bending-dependent losses have been determined. This study aids in understanding the core modes of hollow core fibers and possible methods of controlling them.

Original languageEnglish (US)
Pages (from-to)3277-3280
Number of pages4
JournalOptics Letters
Issue number14
StatePublished - Jul 15 2016

All Science Journal Classification (ASJC) codes

  • Atomic and Molecular Physics, and Optics


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