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| Naji, M. |
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| Motta, Antonella |
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| Aletan, Dirar |
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| Mohamed, Tarek |
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| Ertürk, Emre |
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| Taccardi, Nicola |
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| Kononenko, Denys |
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| Petrov, R. H. | Madrid |
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| Alshaaer, Mazen | Brussels |
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| Bih, L. |
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| Casati, R. |
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| Muller, Hermance |
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| Kočí, Jan | Prague |
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| Šuljagić, Marija |
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| Kalteremidou, Kalliopi-Artemi | Brussels |
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| Azam, Siraj |
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| Ospanova, Alyiya |
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| Blanpain, Bart |
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| Ali, M. A. |
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| Popa, V. |
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| Rančić, M. |
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| Ollier, Nadège |
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| Azevedo, Nuno Monteiro |
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| Landes, Michael |
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| Rignanese, Gian-Marco |
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Mackenzie, Jacob I.
University of Southampton
in Cooperation with on an Cooperation-Score of 37%
Topics
Publications (18/18 displayed)
- 2022Effect of laser repetition rate on the growth of Sc2O3 via pulsed laser depositioncitations
- 2022Sub-ps 1030 nm laser-induced damage threshold evaluation of pulsed-laser deposited sesquioxides and magnetron-sputtered metal oxide optical coatings
- 2018Yb-doped mixed sesquioxide thin films grown by pulsed laser depositioncitations
- 2017Tailoring the refractive index of films during pulsed laser deposition growth
- 2017Pulsed laser deposition of garnets at a growth rate of 20-microns per hour
- 2016Laser performance of Yb-doped-garnet thin films grown by pulsed laser deposition
- 2016PLD growth of complex waveguide structures for applications in thin-film lasers: a 25 year retrospective
- 2016Engineered crystal layers grown by pulsed laser deposition: making bespoke planar gain-media devices
- 2016Pulsed laser deposited crystalline optical waveguides for thin-film lasing devices
- 2015Pulsed laser-assisted fabrication of laser gain media
- 2015Towards fabrication of 10 W class planar waveguide lasers: analysis of crystalline sesquioxide layers fabricated via pulsed laser deposition
- 2014Pulsed laser deposition of thin films for optical and lasing waveguides (including tricks, tips and techniques to maximize the chances of growing what you actually want)
- 2013Doped sesquioxide growth by pulsed laser deposition for planar waveguide lasing applications
- 2012Investigation of Erbium-doped tellurite glasses for a planar waveguide power amplifier at 1.57 microns
- 2012Er-doped Tellurite glasses for planar waveguide power amplifier with extended gain bandwidthcitations
- 2010Efficient in-band pumped Ho:LuLiF4 2µm lasercitations
- 2010Efficient fiber-laser pumped Ho:LuLiF4 lasercitations
- 2005High-power and ultra-efficient operation of a Tm3+-doped silica fiber laser
Places of action
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document
Efficient fiber-laser pumped Ho:LuLiF4 laser
Abstract
We present results for an efficient Ho:LuLiF<sub>4</sub> laser in-band pumped by a cladding-pumped Tm-doped silica fiber laser. The polarized, tunable Tm-doped silica fiber-laser operates at 1938 nm, ideally suited for in-band pumping the 40 mm long weakly-doped (0.25 at.%) Ho:LuLiF<sub>4</sub> crystal. Using a simple laser resonator a maximum output power of 5.1 W was achieved at a wavelength of 2066 nm for 8.0 W of absorbed pump power, when using an output coupling mirror with 20% transmission, corresponding to a slope efficiency of 70%. At a higher cavity output coupling of 37%, the lasing wavelength shifted to a higher gain peak at 2053 nm, where a maximum output power of 5.4 W was obtained with a slope efficiency of 76%. Beam quality was measured to be M2~1.1 at the maximum output power for each resonator configuration. The spectroscopy, lifetime of the upper laser level, and the laser performance will be discussed in terms of future prospects for power scaling and further improvements in the laser efficiency.