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Optics Letters

Optics Letters

| RAPID, SHORT PUBLICATIONS ON THE LATEST IN OPTICAL DISCOVERIES

  • Vol. 26, Iss. 14 — Jul. 15, 2001
  • pp: 1042–1044

Tapered holey fibers for spot-size and numerical-aperture conversion

G. E. Town and J. T. Lizier  »View Author Affiliations


Optics Letters, Vol. 26, Issue 14, pp. 1042-1044 (2001)
http://dx.doi.org/10.1364/OL.26.001042


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Abstract

Adiabatically tapered holey fibers are shown to be potentially useful for guided-wave spot-size and numerical-aperture conversion. Conditions for adiabaticity and design guidelines are provided in terms of the effective-index model. We also present finite-difference time-domain calculations of downtapered holey fiber, showing that large spot-size conversion factors are obtainable with minimal loss by use of short, optimally shaped tapers.

© 2001 Optical Society of America

OCIS Codes
(060.2280) Fiber optics and optical communications : Fiber design and fabrication
(230.3990) Optical devices : Micro-optical devices

Citation
G. E. Town and J. T. Lizier, "Tapered holey fibers for spot-size and numerical-aperture conversion," Opt. Lett. 26, 1042-1044 (2001)
http://www.opticsinfobase.org/ol/abstract.cfm?URI=ol-26-14-1042

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