| People | Locations | Statistics |
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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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Hughes, Mark A.
University of Salford
in Cooperation with on an Cooperation-Score of 37%
Topics
Publications (15/15 displayed)
- 2018High speed chalcogenide glass electrochemical metallization cells with various active metalscitations
- 2014Optical and electronic properties of bismuth-implanted glassescitations
- 2014n-type chalcogenides by ion implantationcitations
- 2014n-type chalcogenides by ion implantation.citations
- 2013On the analogy between photoluminescence and carrier-type reversal in Bi- and Pb-doped glasses ; Analogie mezi fotoluminescencí a změnou typu vodivosti v Bi- a Pb-dotovaných sklechcitations
- 2013On the analogy between photoluminescence and carrier-type reversal in Bi- and Pb-doped glassescitations
- 2013On the analogy between photoluminescence and carrier-type reversal in Bi-and Pb-doped glassescitations
- 2012Direct laser writing of relief diffraction gratings into a bulk chalcogenide glasscitations
- 2011Determination of the oxidation state and coordination of a vanadium doped chalcogenide glasscitations
- 2010The efficiencies of energy transfer from Cr to Nd ions in silicate glassescitations
- 2009Spectral broadening in femtosecond laser written waveguides in chalcogenide glasscitations
- 2009Ultrabroad emission from a bismuth doped chalcogenide glasscitations
- 2007Fabrication and characterization of femtosecond laser written waveguides in chalcogenide glasscitations
- 2007Concentration dependence of the fluorescence decay profile in transition metal doped chalcogenide glasscitations
- 2007Modified chalcogenide glasses for optical device applications
Places of action
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article
Spectral broadening in femtosecond laser written waveguides in chalcogenide glass
Abstract
Nonlinear spectral broadening to 200 nm, from an initial width of 50 nm, has been demonstrated in galliumlanthanum sulphide glass waveguides from 1540 nm, 200 fs pulses at 30 nJ/pulse. A formation mechanism ispresented for these femtosecond laser written waveguides, based on optical characterization and comparisonsto previous work. Two different types of waveguide are identified. One has a characteristic long narrow structureand is formed through filamentation caused by self-focusing. The other has a characteristic “teardrop”structure, which is formed by a type IIA photosensitivity mechanism and cumulative heating of glass arounda central laser-exposed region.