Observations from direct UV written, non-hydrogen loaded, thermally regenerated Bragg gratings in double clad photosensitive fiber
Observations from direct UV written, non-hydrogen loaded, thermally regenerated Bragg gratings in double clad photosensitive fiber
In this paper, experimental evidence is provided for an enhanced thermal sensitivity for a double thermal regeneration feature in fiber Bragg gratings fabricated by direct ultraviolet writing. 47 gratings of varying fluence and wavelength were written along a double clad, germanium doped core fiber. Subsequently thermal processing without hydrogen loading the fiber was made and thermal treatment was done in a pure oxygen environment. Thermal sensitivity for the double regeneration increased from 13.6 ± 0.3 pm/°C to 21.3 ± 0.2 pm/°C. Furthermore, one of the highest nominal fluence gratings, #45, exhibited a regeneration factor of 1.73.
3741-3744
Jantzen, Alexander
af05e45f-d153-4b8e-ae8b-6474fba5501a
Bannerman, Rex
7f7d5c3e-8e5d-45d5-8fd7-8d1511330e08
Berry, Sam
0f768f48-36c4-4599-8917-7aae657378a7
Gates, James
b71e31a1-8caa-477e-8556-b64f6cae0dc2
Gow, Paul
193394b1-fe2d-41de-a9aa-6de7e5925b18
Boyd, Lewis
affc04c8-38fd-41ab-83be-cd2bb1e75d71
Smith, Peter
8979668a-8b7a-4838-9a74-1a7cfc6665f6
Holmes, Christopher
16306bb8-8a46-4fd7-bb19-a146758e5263
October 2017
Jantzen, Alexander
af05e45f-d153-4b8e-ae8b-6474fba5501a
Bannerman, Rex
7f7d5c3e-8e5d-45d5-8fd7-8d1511330e08
Berry, Sam
0f768f48-36c4-4599-8917-7aae657378a7
Gates, James
b71e31a1-8caa-477e-8556-b64f6cae0dc2
Gow, Paul
193394b1-fe2d-41de-a9aa-6de7e5925b18
Boyd, Lewis
affc04c8-38fd-41ab-83be-cd2bb1e75d71
Smith, Peter
8979668a-8b7a-4838-9a74-1a7cfc6665f6
Holmes, Christopher
16306bb8-8a46-4fd7-bb19-a146758e5263
Jantzen, Alexander, Bannerman, Rex, Berry, Sam, Gates, James, Gow, Paul, Boyd, Lewis, Smith, Peter and Holmes, Christopher
(2017)
Observations from direct UV written, non-hydrogen loaded, thermally regenerated Bragg gratings in double clad photosensitive fiber.
Optics Letters, 42 (19), .
(doi:10.1364/OL.42.003741).
Abstract
In this paper, experimental evidence is provided for an enhanced thermal sensitivity for a double thermal regeneration feature in fiber Bragg gratings fabricated by direct ultraviolet writing. 47 gratings of varying fluence and wavelength were written along a double clad, germanium doped core fiber. Subsequently thermal processing without hydrogen loading the fiber was made and thermal treatment was done in a pure oxygen environment. Thermal sensitivity for the double regeneration increased from 13.6 ± 0.3 pm/°C to 21.3 ± 0.2 pm/°C. Furthermore, one of the highest nominal fluence gratings, #45, exhibited a regeneration factor of 1.73.
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Accepted/In Press date: 11 August 2017
e-pub ahead of print date: 19 September 2017
Published date: October 2017
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Local EPrints ID: 413530
URI: http://eprints.soton.ac.uk/id/eprint/413530
ISSN: 0146-9592
PURE UUID: d9963b9d-4ac7-4658-8ab4-8c5085965859
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Date deposited: 25 Aug 2017 16:31
Last modified: 18 Mar 2025 03:00
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