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Optics Express

Optics Express

  • Editor: C. Martijn de Sterke
  • Vol. 18, Iss. 20 — Sep. 27, 2010
  • pp: 20918–20925

A micro-structured aperture made of a hollow triangular-core fiber for novel beam shaping

Woosung Ha, Sejin Lee, Jongki Kim, Yoonseob Jeong, Kyunghwan Oh, Jens Kobelke, Kay Schuster, Sonja Unger, Anka Schwuchow, and Jun Ki Kim  »View Author Affiliations

Optics Express, Vol. 18, Issue 20, pp. 20918-20925 (2010)

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We demonstrate a micro-structured aperture made of a unique hollow triangular-core fiber (HTCF) that consists of a central air hole, a high-index hollow triangular core, and silica cladding for all-fiber novel beam shaping. Detailed fabrication processes to embed a hollow triangular structure into a cylindrical optical fiber are described and unique diffraction patterns out of the HTCF for monochromatic light are analyzed both experimentally and theoretically. Fourier-optic analysis combined with guided mode calculation was pursued to interpret experimental patterns in terms of the beam propagation distance.

© 2010 OSA

OCIS Codes
(060.2270) Fiber optics and optical communications : Fiber characterization
(060.2280) Fiber optics and optical communications : Fiber design and fabrication
(060.2300) Fiber optics and optical communications : Fiber measurements
(060.2310) Fiber optics and optical communications : Fiber optics
(060.2400) Fiber optics and optical communications : Fiber properties

ToC Category:
Fiber Optics and Optical Communications

Original Manuscript: July 9, 2010
Revised Manuscript: September 4, 2010
Manuscript Accepted: September 7, 2010
Published: September 17, 2010

Woosung Ha, Sejin Lee, Jongki Kim, Yoonseob Jeong, Kyunghwan Oh, Jens Kobelke, Kay Schuster, Sonja Unger, Anka Schwuchow, and Jun Ki Kim, "A micro-structured aperture made of a hollow triangular-core fiber for novel beam shaping," Opt. Express 18, 20918-20925 (2010)

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