Measurement of resonant bend loss in antiresonant hollow core optical fiber

Richard M. Carter, Fei Yu, William J. Wadsworth, Jonathan D Shephard, Tim Birks, Jonathan C. Knight, Duncan P Hand

Research output: Contribution to journalArticle

8 Citations (Scopus)

Abstract

We present the results of measurements of resonant spectral bend loss using a novel apparatus in a series of hollow core anti-resonant optical fibers, important for their applications in the delivery of industrial power ultra-short laser pulses. The measured bend losses exhibit clear wavelength-bend diameter resonances. We demonstrate, in good agreement with theoretical analysis, that the sensitivity to bend diameter (in terms of minimum bend radii) is dependent on the ratio between cladding and core structure size. By decreasing the cladding capillary diameter: core diameter ratio from 0.70 to 0.43 the minimum bend diameter is decreased from >160 mm to ~15 mm at a wavelength of 800 nm. Furthermore it is demonstrated that the exact position of the loss bands is highly dependent on the orientation of the fiber structure with the bend plane.

Original languageEnglish
Pages (from-to)20612-20621
Number of pages10
JournalOptics Express
Volume25
Issue number17
DOIs
Publication statusPublished - 21 Aug 2017

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hollow
optical fibers
wavelengths
delivery
radii
fibers
sensitivity
pulses
lasers

ASJC Scopus subject areas

  • Atomic and Molecular Physics, and Optics

Cite this

Measurement of resonant bend loss in antiresonant hollow core optical fiber. / Carter, Richard M.; Yu, Fei; Wadsworth, William J.; Shephard, Jonathan D; Birks, Tim; Knight, Jonathan C.; Hand, Duncan P.

In: Optics Express, Vol. 25, No. 17, 21.08.2017, p. 20612-20621.

Research output: Contribution to journalArticle

Carter, Richard M. ; Yu, Fei ; Wadsworth, William J. ; Shephard, Jonathan D ; Birks, Tim ; Knight, Jonathan C. ; Hand, Duncan P. / Measurement of resonant bend loss in antiresonant hollow core optical fiber. In: Optics Express. 2017 ; Vol. 25, No. 17. pp. 20612-20621.
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