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; Jun Ki Kim

doi:10.1364/OE.18.020918

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, Jun Ki Kim

Department of Physics

Research output: Contribution to journal › Article › peer-review

4 Citations (Scopus)

Abstract

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.

Original language	English
Pages (from-to)	20918-20925
Number of pages	8
Journal	Optics Express
Volume	18
Issue number	20
DOIs	https://doi.org/10.1364/OE.18.020918
Publication status	Published - 2010 Sept 27

All Science Journal Classification (ASJC) codes

Atomic and Molecular Physics, and Optics

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10.1364/OE.18.020918

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AU - Lee, Sejin

AU - Kim, Jongki

AU - Jeong, Yoonseob

AU - Oh, Kyunghwan

AU - Kobelke, Jens

AU - Schuster, Kay

AU - Unger, Sonja

AU - Schwuchow, Anka

AU - Kim, Jun Ki

PY - 2010/9/27

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AB - 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.

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

Abstract

All Science Journal Classification (ASJC) codes

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