Optics letters
Effective numerical aperture of antiresonant hollow core fibers.
Charu Goel, Trivikramarao Gavara, Wonkeun Chang
Published: 202510.1364/OL.577254
Abstract
We present an analytical framework for characterizing the light coupling behavior of antiresonant hollow core fibers (AR-HCFs) through the introduction of an effective numerical aperture. This concept is particularly relevant for few-mode AR-HCFs, wh…
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