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X-ray tomography for structural analysis of microstructured and multimaterial optical fibers and preforms

X-ray tomography for structural analysis of microstructured and multimaterial optical fibers and preforms
X-ray tomography for structural analysis of microstructured and multimaterial optical fibers and preforms
Specialty optical fibers, in particular microstructured and multi-material optical fibers, have complex geometry in terms of structure and/or material composition. Their fabrication, although rapidly developing, is still at a very early stage of development compared with conventional optical fibers. Structural characterization of these fibers during every step of their multi-stage fabrication process is paramount to optimize the fiber-drawing process. The complexity of these fibers restricts the use of conventional refractometry and microscopy techniques to determine their structural and material composition. Here we present, to the best of our knowledge, the first nondestructive structural and material investigation of specialty optical fibers using X-ray computed tomography (CT) methods, not achievable using other techniques. Recent advances in X-ray CT techniques allow the examination of optical fibers and their preforms with sub-micron resolution while preserving the specimen for onward processing and use. In this work, we study some of the most challenging specialty optical fibers and their preforms. We analyze a hollow core photonic band gap fiber and its preforms, and bond quality at the joint between two fusion-spliced hollow core fibers. Additionally, we studied a multi-element optical fiber and a metal incorporated dual suspended-core optical fiber. The application of X-ray CT can be extended to almost all optical fiber types, preforms and devices.
1094-4087
26181-26192
Sandoghchi, S.R.
15499707-d3f2-42f1-90e2-cbe260462487
Jasion, G.
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Wheeler, N.V.
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Jain, S.
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Lian, Z.
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Wooler, J.P.
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Boardman, R.P.
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Baddela, N.
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Chen, Y.
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Hayes, J.
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Numkam Fokoua, E.
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Bradley, T.
d4cce4f3-bb69-4e14-baee-cd6a88e38101
Gray, D.R.
46319dbb-26c5-487b-af42-891e7b00e14f
Abokhamis Mousavi, S.
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Petrovich, M.
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Poletti, F.
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Richardson, D.J.
ebfe1ff9-d0c2-4e52-b7ae-c1b13bccdef3
Sandoghchi, S.R.
15499707-d3f2-42f1-90e2-cbe260462487
Jasion, G.
16cfff1d-d178-41d1-a092-56e6239726b8
Wheeler, N.V.
0fd34178-a77b-4c71-a3a6-86a1f634f1a0
Jain, S.
bf4af598-26bf-47f4-a0a4-800095a23eb5
Lian, Z.
0363581e-87ad-48e7-b9d6-277f620305ba
Wooler, J.P.
6e74b608-c042-483e-ae7b-6261ea05599b
Boardman, R.P.
5818d677-5732-4e8a-a342-7164dbb10df1
Baddela, N.
1a871ff8-f95d-495b-8b91-9d6ccd209528
Chen, Y.
0bfb3083-4cd2-4463-a7a4-f48c4158b15a
Hayes, J.
a6d3acd6-d7d5-4614-970e-0e8c594e48e2
Numkam Fokoua, E.
6d9f7e50-dc3b-440a-a0b9-f4a08dd02ccd
Bradley, T.
d4cce4f3-bb69-4e14-baee-cd6a88e38101
Gray, D.R.
46319dbb-26c5-487b-af42-891e7b00e14f
Abokhamis Mousavi, S.
f0229dbe-bd17-479b-9ba1-f26f55cf3054
Petrovich, M.
bfe895a0-da85-4a40-870a-2c7bfc84a4cf
Poletti, F.
9adcef99-5558-4644-96d7-ce24b5897491
Richardson, D.J.
ebfe1ff9-d0c2-4e52-b7ae-c1b13bccdef3

Sandoghchi, S.R., Jasion, G., Wheeler, N.V., Jain, S., Lian, Z., Wooler, J.P., Boardman, R.P., Baddela, N., Chen, Y., Hayes, J., Numkam Fokoua, E., Bradley, T., Gray, D.R., Abokhamis Mousavi, S., Petrovich, M., Poletti, F. and Richardson, D.J. (2014) X-ray tomography for structural analysis of microstructured and multimaterial optical fibers and preforms. Optics Express, 22 (21), 26181-26192. (doi:10.1364/OE.22.026181).

Record type: Article

Abstract

Specialty optical fibers, in particular microstructured and multi-material optical fibers, have complex geometry in terms of structure and/or material composition. Their fabrication, although rapidly developing, is still at a very early stage of development compared with conventional optical fibers. Structural characterization of these fibers during every step of their multi-stage fabrication process is paramount to optimize the fiber-drawing process. The complexity of these fibers restricts the use of conventional refractometry and microscopy techniques to determine their structural and material composition. Here we present, to the best of our knowledge, the first nondestructive structural and material investigation of specialty optical fibers using X-ray computed tomography (CT) methods, not achievable using other techniques. Recent advances in X-ray CT techniques allow the examination of optical fibers and their preforms with sub-micron resolution while preserving the specimen for onward processing and use. In this work, we study some of the most challenging specialty optical fibers and their preforms. We analyze a hollow core photonic band gap fiber and its preforms, and bond quality at the joint between two fusion-spliced hollow core fibers. Additionally, we studied a multi-element optical fiber and a metal incorporated dual suspended-core optical fiber. The application of X-ray CT can be extended to almost all optical fiber types, preforms and devices.

Full text not available from this repository.

More information

Accepted/In Press date: 5 October 2014
Published date: 16 October 2014
Organisations: Engineering Mats & Surface Engineerg Gp, Optoelectronics Research Centre

Identifiers

Local EPrints ID: 375054
URI: https://eprints.soton.ac.uk/id/eprint/375054
ISSN: 1094-4087
PURE UUID: 13a4c479-50ec-4db8-a18f-c32ee57e0e8d
ORCID for S.R. Sandoghchi: ORCID iD orcid.org/0000-0003-2196-3167
ORCID for G. Jasion: ORCID iD orcid.org/0000-0001-5030-6479
ORCID for N.V. Wheeler: ORCID iD orcid.org/0000-0002-1265-9510
ORCID for Y. Chen: ORCID iD orcid.org/0000-0003-0383-6113
ORCID for E. Numkam Fokoua: ORCID iD orcid.org/0000-0003-0873-911X
ORCID for T. Bradley: ORCID iD orcid.org/0000-0001-6568-5811
ORCID for M. Petrovich: ORCID iD orcid.org/0000-0002-3905-5901
ORCID for F. Poletti: ORCID iD orcid.org/0000-0002-1000-3083
ORCID for D.J. Richardson: ORCID iD orcid.org/0000-0002-7751-1058

Catalogue record

Date deposited: 11 Mar 2015 12:08
Last modified: 19 Nov 2019 02:02

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