Biblioteca Digital

185 resultados para Soldagem a laser

Ultrashort pulse mode locked laser based on carbon nanotubes saturable absorbers

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A study of the canopy top region in arrays of urban-type roughness combining laser Doppler velocimetry, flow visualisation and computational fluid dynamics to characterise the flow patterns and the canopy top exchange mechanisms

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Development of a laser assisted material spray process

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1.3µm quantum-dot laser linewidth rebroadening

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Monolithic integration of collimating Fresnel lens for beam quality enhancement in tapered high-power laser diode

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Phase correcting element for intra-cavity laser beam control

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Directly-modulated DS-DBR tunable laser for uncooled C-band WDM system

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Harmonic Mode-Locking of a Quantum-Dot Laser Diode

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Absorber length optimisation for sub-picosecond pulse generation in 1.3µm quantum-dot mode-locked laser diodes

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Short pulse generation in 10 GHz and 20 GHz mode-locked quantum-dot laser diodes

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Sub-ps erbium doped fibre laser with nanotube mode-locker

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Sub-ps erbium doped fiber laser with nanotube mode-locker

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A novel non-intrusive technique for CO2 laser on-line beam monitoring

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Absorber length optimisation for sub-picosecond pulse generation and ultra-low jitter performance in passively mode-locked 1.3 /spl mu/m quantum-dot laser diodes

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Monolithic hybrid and passive mode-locked 40GHz quantum dot laser diodes

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