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Simple and compact all-fibre retro-reflector for cladding-pumped fibre lasers

Simple and compact all-fibre retro-reflector for cladding-pumped fibre lasers
Simple and compact all-fibre retro-reflector for cladding-pumped fibre lasers
Proposed is an all-fibre retro-reflector realised via shaping a fibre end into a right-angled cone for a pump reflector in cladding-pumped fibre lasers. The conical-shaped fibre-optic retro-reflector allows folded, total internal reflections for pump beams that propagate in the inner cladding of a double-clad fibre. The proposed scheme was applied to a cladding-pumped ytterbium-doped fibre laser and readily achieved over 55% of reflection for the unabsorbed pump throughput, thereby generating 29% more signal output power than without the pump retro-reflector.
0013-5194
15-16
Jeong, Y.
85777b88-d35d-4e46-addb-1894fde2385d
Baek, S.
18a2a74d-59db-4f45-9640-87f4a0a5af6b
Nilsson, J.
f41d0948-4ca9-4b93-b44d-680ca0bf157b
Lee, B.
ebdd36ef-1a79-40af-b33a-8bd06a252e19
Jeong, Y.
85777b88-d35d-4e46-addb-1894fde2385d
Baek, S.
18a2a74d-59db-4f45-9640-87f4a0a5af6b
Nilsson, J.
f41d0948-4ca9-4b93-b44d-680ca0bf157b
Lee, B.
ebdd36ef-1a79-40af-b33a-8bd06a252e19

Jeong, Y., Baek, S., Nilsson, J. and Lee, B. (2006) Simple and compact all-fibre retro-reflector for cladding-pumped fibre lasers. Electronics Letters, 42 (1), 15-16. (doi:10.1049/el:20063545).

Record type: Article

Abstract

Proposed is an all-fibre retro-reflector realised via shaping a fibre end into a right-angled cone for a pump reflector in cladding-pumped fibre lasers. The conical-shaped fibre-optic retro-reflector allows folded, total internal reflections for pump beams that propagate in the inner cladding of a double-clad fibre. The proposed scheme was applied to a cladding-pumped ytterbium-doped fibre laser and readily achieved over 55% of reflection for the unabsorbed pump throughput, thereby generating 29% more signal output power than without the pump retro-reflector.

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More information

Published date: 2006

Identifiers

Local EPrints ID: 38972
URI: http://eprints.soton.ac.uk/id/eprint/38972
ISSN: 0013-5194
PURE UUID: 13a09f9d-6078-4a83-9c12-58ee9fe4cc3b
ORCID for J. Nilsson: ORCID iD orcid.org/0000-0003-1691-7959

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Date deposited: 13 Jun 2006
Last modified: 03 Dec 2019 01:56

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