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Proceedings Paper

Analysis of single-modality of thermally diffused areas of telecommunication optical fiber core
Author(s): Marek Ratuszek; Jacek Majewski; Zbigniew Zakrzewski; Małgorzata Ratuszek
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Paper Abstract

Thermally diffused areas of telecommunication single mode fiber core reduce loss of fiber-to-fiber or laser-tofiber couplings indeed. Loss of such area is small if it remains single-modal. In the work, for step, Gaussian and power refractive index profiles, for which fundamental mode LP01 distribution can be approximated by Gaussian function, the so-called equal volume profiles were given. For these profile forms, it has been shown that the fibers remain single-modal independently of changing values of core radius e.g. after diffusion. It has been shown that because Gaussian profile approximates well diffusion distribution, this thermally diffused core area, which has constant quantity of dopant in the diffusion area, remains single-modal.

Paper Details

Date Published: 9 April 2007
PDF: 5 pages
Proc. SPIE 6608, Lightguides and Their Applications III, 660819 (9 April 2007); doi: 10.1117/12.739605
Show Author Affiliations
Marek Ratuszek, Univ. of Technology and Agriculture (Poland)
Jacek Majewski, Univ. of Technology and Agriculture (Poland)
Zbigniew Zakrzewski, Univ. of Technology and Agriculture (Poland)
Małgorzata Ratuszek, Univ. of Technology and Agriculture (Poland)

Published in SPIE Proceedings Vol. 6608:
Lightguides and Their Applications III

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