AustralieFrV1, Main, Exploration, bibRecord, 008D51

Estimation of energy transfer parameters in thulium-and ytterbium-doped silica fibers

Identifieur interne : 008D51 ( Main/Exploration ); précédent : 008D50; suivant : 008D52

Estimation of energy transfer parameters in thulium-and ytterbium-doped silica fibers

Auteurs : Pavel Peterka [République tchèque] ; Wilfried Blanc [France] ; Bernard Dussardier [France] ; Gérard Monnom [France] ; David Simpson [Australie] ; Greg Baxter [Australie]

Source :

Proceedings of SPIE - The International Society for Optical Engineering [ 0277-786X ] ; 2008.

RBID : Pascal:09-0170166

Descripteurs français

Pascal (Inist)
- Transfert énergie excitation, Simulation numérique, Fibre optique, Matériau dopé, Matériau optique, Addition ytterbium, Silice, Codopage, Addition thulium, Alumine, Matériau laser, 0130C, 4281, 4270H, Fibre dopée thulium, Fibre dopée ytterbium.

English descriptors

KwdEn :
- Alumina, Codoping, Digital simulation, Doped materials, Excitation energy transfer, Laser materials, Optical fibers, Optical materials, Silica, Thulium additions, Thulium-doped fibers, Ytterbium additions, Ytterbium doped fiber.

Abstract

Silica-based thulium-doped fibers sensitized by ytterbium are being developed for applications in fiber amplifiers and lasers at various wavelengths (around 800 nm, 1470 nm and 2 μm). Several studies have been performed to design and optimize thulium- and ytterbium-doped fiber (TYDF) amplifiers and lasers at the above mentioned wavelengths. Although some papers dealing with modeling of such a system exist, the parameters used in the simulations, like energy transfer coefficients, have not been experimentally determined to date. In this paper we present an estimation of the energy transfer coefficients by comparison of the measured emission of three TYDF samples with numerical simulations of the respective emission using a spectrally and spatially resolved model of TYDF. We found that the energy transfer coefficients are higher than those reported in Tm/Yb-doped fluoride based crystals. This fact together with the possibility of increasing the energy transfer efficiency, by improvement of excited level lifetime of thulium by high alumina codoping, makes thulium/ytterbium co-doped silica fibers promising for applications in fiber lasers and amplifiers.

Affiliations:

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Le document en format XML

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<front><div type="abstract" xml:lang="en">Silica-based thulium-doped fibers sensitized by ytterbium are being developed for applications in fiber amplifiers and lasers at various wavelengths (around 800 nm, 1470 nm and 2 μm). Several studies have been performed to design and optimize thulium- and ytterbium-doped fiber (TYDF) amplifiers and lasers at the above mentioned wavelengths. Although some papers dealing with modeling of such a system exist, the parameters used in the simulations, like energy transfer coefficients, have not been experimentally determined to date. In this paper we present an estimation of the energy transfer coefficients by comparison of the measured emission of three TYDF samples with numerical simulations of the respective emission using a spectrally and spatially resolved model of TYDF. We found that the energy transfer coefficients are higher than those reported in Tm/Yb-doped fluoride based crystals. This fact together with the possibility of increasing the energy transfer efficiency, by improvement of excited level lifetime of thulium by high alumina codoping, makes thulium/ytterbium co-doped silica fibers promising for applications in fiber lasers and amplifiers.</div>
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Estimation of energy transfer parameters in thulium-and ytterbium-doped silica fibers

Estimation of energy transfer parameters in thulium-and ytterbium-doped silica fibers

Source :

Descripteurs français

English descriptors

Abstract

Links toward previous steps (curation, corpus...)

Le document en format XML

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