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Optics Express

Optics Express

  • Editor: C. Martijn de Sterke
  • Vol. 19, Iss. 3 — Jan. 31, 2011
  • pp: 1860–1865

Characterization of nanoscale features in tapered fractal and photonic crystal fibers

C. M. Rollinson, S. T. Huntington, B. C. Gibson, S. Rubanov, and J. Canning  »View Author Affiliations

Optics Express, Vol. 19, Issue 3, pp. 1860-1865 (2011)

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The internal structure of nanostructured air-silica fiber probes have been characterized using a combined focused ion beam and scanning electron microscopy technique. The collapse rate of the air-holes is shown to differ substantially between a regular photonic crystal fiber (PCF) and the quasi-periodic Fractal fiber. The integrity of the Fractal fiber structure is maintained down to an outer diameter as small as 120 nm, whereas the air-holes of the regular PCF begin to collapse when the outer diameter is approximately 820 nm. The observed smallest hole diameter of 10 nm is suggested to be due to physical limits imposed by the molecular structure of silica. These results confirm structural inferences made in previous publications.

© 2011 OSA

OCIS Codes
(050.1220) Diffraction and gratings : Apertures
(050.1940) Diffraction and gratings : Diffraction
(060.2280) Fiber optics and optical communications : Fiber design and fabrication
(060.2350) Fiber optics and optical communications : Fiber optics imaging
(180.5810) Microscopy : Scanning microscopy
(060.4005) Fiber optics and optical communications : Microstructured fibers
(180.4243) Microscopy : Near-field microscopy
(060.5295) Fiber optics and optical communications : Photonic crystal fibers

ToC Category:
Fiber Optics and Optical Communications

Original Manuscript: October 20, 2010
Revised Manuscript: January 12, 2011
Manuscript Accepted: January 13, 2011
Published: January 18, 2011

C. M. Rollinson, S. T. Huntington, B. C. Gibson, S. Rubanov, and J. Canning, "Characterization of nanoscale features in tapered fractal and photonic crystal fibers," Opt. Express 19, 1860-1865 (2011)

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