Segmented cladding fiber fabricated in silica-based glass

Babita Hooda; Atasi Pal; Vipul Rastogi; Ranjan Sen; Jimit Gandhi; Jens Kobelke

doi:10.1117/1.OE.54.7.075103

9 July 2015 Segmented cladding fiber fabricated in silica-based glass

Babita Hooda; Atasi Pal; Vipul Rastogi; Ranjan Sen; Jimit Gandhi; Jens Kobelke

Author Affiliations +

Optical Engineering, 54(7), 075103 (2015). https://doi.org/10.1117/1.OE.54.7.075103

Abstract

We report fabrication of a segmented cladding fiber (SCF) in silica-based glass. An SCF with a uniform core of pure silica and cladding of periodically arranged pure silica and fluorine-doped silica in an angular direction has been fabricated by using the stack-and-draw technique. The fabricated fiber has been characterized by capturing its near-field intensity pattern at 633 nm wavelength. The number of modes has been estimated from the captured near-field intensity pattern by using neural network analysis. A four-segment SCF of 30-μm core diameter and 0.43% relative index differences between the high- and low-index segments shows few-mode operation by filtering out higher-order modes of an otherwise highly multimode fiber.

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Babita Hooda, Babita Hooda, Atasi Pal, Atasi Pal, Vipul Rastogi, Vipul Rastogi, Ranjan Sen, Ranjan Sen, Jimit Gandhi, Jimit Gandhi, Jens Kobelke, Jens Kobelke, } "Segmented cladding fiber fabricated in silica-based glass," Optical Engineering 54(7), 075103 (9 July 2015). https://doi.org/10.1117/1.OE.54.7.075103 . Submission:

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