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Non-destructive characterization of rare-earth-doped optical fiber preforms

Non-destructive characterization of rare-earth-doped optical fiber preforms
Non-destructive characterization of rare-earth-doped optical fiber preforms
We present a non-destructive optical technique for rare-earth-doped optical fiber preform inspection, which combines luminescence spectroscopy measurements, analyzed through an optical tomography technique, and ray-deflection measurements for calculating the refractive-index profile (RIP) of the sample. We demonstrate the technique on an optical fiber preform sample with a Yb3+-doped aluminosilicate core. The spatial distribution of the photoluminescence signals originating from Yb3+-single ions and from Yb3+-Yb3+ cluster sites were obtained inside the core. By modifying the characterization system, we were able to concurrently evaluate the RIP of the core and, thus, establish with good accuracy the dopant distribution within the core region. This technique will be useful for quality evaluation and optimization of optical fiber preforms.
Fiber optics; Luminescence; Index measurements.
0146-9592
4907-4910
Vivona, Marilena
d5097400-64be-4d8a-99d2-8ecc6e3dbbed
Kim, Jaesun
0cf6383e-0d88-443d-ae2f-575d60679e10
Zervas, Michael
1840a474-dd50-4a55-ab74-6f086aa3f701
Vivona, Marilena
d5097400-64be-4d8a-99d2-8ecc6e3dbbed
Kim, Jaesun
0cf6383e-0d88-443d-ae2f-575d60679e10
Zervas, Michael
1840a474-dd50-4a55-ab74-6f086aa3f701

Vivona, Marilena, Kim, Jaesun and Zervas, Michael (2018) Non-destructive characterization of rare-earth-doped optical fiber preforms. Optics Letters, 43 (20), 4907-4910. (doi:10.1364/OL.43.004907).

Record type: Letter

Abstract

We present a non-destructive optical technique for rare-earth-doped optical fiber preform inspection, which combines luminescence spectroscopy measurements, analyzed through an optical tomography technique, and ray-deflection measurements for calculating the refractive-index profile (RIP) of the sample. We demonstrate the technique on an optical fiber preform sample with a Yb3+-doped aluminosilicate core. The spatial distribution of the photoluminescence signals originating from Yb3+-single ions and from Yb3+-Yb3+ cluster sites were obtained inside the core. By modifying the characterization system, we were able to concurrently evaluate the RIP of the core and, thus, establish with good accuracy the dopant distribution within the core region. This technique will be useful for quality evaluation and optimization of optical fiber preforms.

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Accepted/In Press date: 26 June 2018
e-pub ahead of print date: 5 October 2018
Published date: 15 October 2018
Keywords: Fiber optics; Luminescence; Index measurements.

Identifiers

Local EPrints ID: 424965
URI: http://eprints.soton.ac.uk/id/eprint/424965
ISSN: 0146-9592
PURE UUID: 568d62c8-28cc-4ee6-946a-a8f362d71d8c
ORCID for Marilena Vivona: ORCID iD orcid.org/0000-0002-0765-8556
ORCID for Michael Zervas: ORCID iD orcid.org/0000-0002-0651-4059

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Date deposited: 08 Oct 2018 16:30
Last modified: 09 Jan 2022 02:41

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Contributors

Author: Marilena Vivona ORCID iD
Author: Jaesun Kim
Author: Michael Zervas ORCID iD

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