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Mode selection in high power cladding pumped fibre lasers with tapered section

Mode selection in high power cladding pumped fibre lasers with tapered section
Mode selection in high power cladding pumped fibre lasers with tapered section
Cladding pumped fibre lasers are undoubtedly becoming the most attractive source of high power radiation in the near IR region. The small overlap between the pump and the rare-earth-doped core leads to a small pump absorption, e.g., 1 dB/m. Larger core and absorption is often desirable, especially if (transversally) single-mode operation can be maintained. Thus, single-mode operation following selective excitation of the fundamental mode of large-core multimode fiber amplifiers was recently demonstrated in short fibres [1]. In this paper, we use a simple fiber taper inside a laser cavity with a multimode gain fiber to similarly suppress higher-order modes.
247-248
Institute of Electrical and Electronics Engineers
Alvarez-Chavez, J.A.
fbbf6f21-0e7a-456c-b675-540b4f0501d1
Grudinin, A.B.
8f50b467-7d60-46db-b29d-a89b1059a1d8
Nilsson, Johan
f41d0948-4ca9-4b93-b44d-680ca0bf157b
Turner, P.W.
b84fbbe4-2e35-4d0d-9b84-e654be63c4b9
Clarkson, W.A.
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Alvarez-Chavez, J.A.
fbbf6f21-0e7a-456c-b675-540b4f0501d1
Grudinin, A.B.
8f50b467-7d60-46db-b29d-a89b1059a1d8
Nilsson, Johan
f41d0948-4ca9-4b93-b44d-680ca0bf157b
Turner, P.W.
b84fbbe4-2e35-4d0d-9b84-e654be63c4b9
Clarkson, W.A.
3b060f63-a303-4fa5-ad50-95f166df1ba2

Alvarez-Chavez, J.A., Grudinin, A.B., Nilsson, Johan, Turner, P.W. and Clarkson, W.A. (1999) Mode selection in high power cladding pumped fibre lasers with tapered section. In Proceedings of CLEO/QELS '99. Institute of Electrical and Electronics Engineers. pp. 247-248 .

Record type: Conference or Workshop Item (Paper)

Abstract

Cladding pumped fibre lasers are undoubtedly becoming the most attractive source of high power radiation in the near IR region. The small overlap between the pump and the rare-earth-doped core leads to a small pump absorption, e.g., 1 dB/m. Larger core and absorption is often desirable, especially if (transversally) single-mode operation can be maintained. Thus, single-mode operation following selective excitation of the fundamental mode of large-core multimode fiber amplifiers was recently demonstrated in short fibres [1]. In this paper, we use a simple fiber taper inside a laser cavity with a multimode gain fiber to similarly suppress higher-order modes.

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More information

Published date: 1999
Venue - Dates: Conference on Lasers and Electro-Optics/Quantum Electronics and Laser Science Conference (CLEO/QELS '99), United States, 1999-05-23 - 1999-05-28

Identifiers

Local EPrints ID: 76550
URI: https://eprints.soton.ac.uk/id/eprint/76550
PURE UUID: a6c92fd0-b905-41ff-b442-9a628a7d1acd
ORCID for Johan Nilsson: ORCID iD orcid.org/0000-0003-1691-7959

Catalogue record

Date deposited: 11 Mar 2010
Last modified: 06 Jun 2018 12:55

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