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Proceedings Paper

Mechanical and optical behavior of index guiding photonic crystal fibers (PCF)
Author(s): Jens Kobelke; Kirsten Gerth; Johannes Kirchhof; Kay Schuster; Klaus Moerl; Claudia Aichele
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Paper Abstract

The optical loss behavior of index guiding PC fibers made from high purity silica, was investigated with regard to the preform preparation steps and drawing procedure. Loss effects in the 1.4 µm region are caused mostly by incorporation of hydroxide groups during PC preform preparation. Typical sources are flame heat treatment procedures. However, hydroxide based absorption by water permeation into the holey structure was not observed, not even by storage in humid atmosphere over days. PCFs show additional NIR attenuation, possibly caused by drawing induced atomic defects in the pure silica material. By advanced PC preform preparation the minimum attentuation in the NIR range can be depressed down to 2.9 dB/km at 1.3 μm. PCFs have a reduced tensile strength in comparison with compact silica fibers. The mechanical stability increases with the cross section area of the solid outer cladding. This resembles the behavior of single capillary fibers without inner holey or cobweb structure. The tensile strength of PCFs decreases after a few days of hole contamination with condensed water.

Paper Details

Date Published: 9 July 2004
PDF: 12 pages
Proc. SPIE 5360, Photonic Crystal Materials and Devices II, (9 July 2004); doi: 10.1117/12.527718
Show Author Affiliations
Jens Kobelke, Institut fur Physikalische Hochtechnologie e.V. (Germany)
Kirsten Gerth, Institut fur Physikalische Hochtechnologie e.V. (Germany)
Johannes Kirchhof, Institut fur Physikalische Hochtechnologie e.V. (Germany)
Kay Schuster, Institut fur Physikalische Hochtechnologie e.V. (Germany)
Klaus Moerl, Institut fur Physikalische Hochtechnologie e.V. (Germany)
Claudia Aichele, Institut fur Physikalische Hochtechnologie e.V. (Germany)


Published in SPIE Proceedings Vol. 5360:
Photonic Crystal Materials and Devices II
Ali Adibi; Axel Scherer; Shawn-Yu Lin, Editor(s)

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