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Effective absorption in cladding-pumped fibers

Effective absorption in cladding-pumped fibers
Effective absorption in cladding-pumped fibers
We investigate experimentally and theoretically the wavelength dependence of the pump absorption along Yb3+-doped fibers, for cladding-pumped single as well as coupled multimode (GTWaveTM) fibers. We show that significant spectral absorption distortions occur along the length with the 976nm absorption peak affected the most. We have developed a novel theoretical approach, based on coupled mode theory, to explain the observed effects. We have also investigated the mode mixing requirements in order to improve the absorption spectral distribution along the increase the overall absorption efficiency and discuss the implications on fiber laser performance.
9780819484512
79141T-79141T
Zervas, Michalis N.
1840a474-dd50-4a55-ab74-6f086aa3f701
Marshall, Andy
927a4f49-e0e6-44da-82ca-5bca31c2e9fb
Kim, Jaesun
43d08112-4802-4f2b-b21a-8f2ba07ec4ef
Dawson, Jay W.
81e6237a-b130-4871-90d4-3217c7047d22
Zervas, Michalis N.
1840a474-dd50-4a55-ab74-6f086aa3f701
Marshall, Andy
927a4f49-e0e6-44da-82ca-5bca31c2e9fb
Kim, Jaesun
43d08112-4802-4f2b-b21a-8f2ba07ec4ef
Dawson, Jay W.
81e6237a-b130-4871-90d4-3217c7047d22

Zervas, Michalis N., Marshall, Andy and Kim, Jaesun (2011) Effective absorption in cladding-pumped fibers. Dawson, Jay W. (ed.) SPIE 7914: Fiber Lasers VIII: Technology, Systems, and Applications, San Francisco, United States. 24 - 27 Jan 2011. 79141T-79141T . (doi:10.1117/12.877790).

Record type: Conference or Workshop Item (Paper)

Abstract

We investigate experimentally and theoretically the wavelength dependence of the pump absorption along Yb3+-doped fibers, for cladding-pumped single as well as coupled multimode (GTWaveTM) fibers. We show that significant spectral absorption distortions occur along the length with the 976nm absorption peak affected the most. We have developed a novel theoretical approach, based on coupled mode theory, to explain the observed effects. We have also investigated the mode mixing requirements in order to improve the absorption spectral distribution along the increase the overall absorption efficiency and discuss the implications on fiber laser performance.

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More information

e-pub ahead of print date: 2011
Venue - Dates: SPIE 7914: Fiber Lasers VIII: Technology, Systems, and Applications, San Francisco, United States, 2011-01-24 - 2011-01-27
Organisations: Optoelectronics Research Centre

Identifiers

Local EPrints ID: 191559
URI: http://eprints.soton.ac.uk/id/eprint/191559
ISBN: 9780819484512
PURE UUID: d86c4e22-96c1-4a2a-8590-8b8144596ed0
ORCID for Michalis N. Zervas: ORCID iD orcid.org/0000-0002-0651-4059

Catalogue record

Date deposited: 22 Jun 2011 08:56
Last modified: 08 Jan 2022 02:36

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Contributors

Author: Andy Marshall
Author: Jaesun Kim
Editor: Jay W. Dawson

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