-power end-pumped lasers
Power scaling of Tm:YLF pumped Ho:YAG lasers
... low power levels [32]. End-pumping has also been demonstrated using thulium-fibre lasers or Tm:YLF rod lasers [33, 34, 36, 52, 100, ...limited power-scalability due to stress-fracture ...
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Modelling of high power continuous wave Tm:YAG side pumped double clad waveguide lasers
... of end- pumped quasi-three-level lasers presented by Beach [6] is mod- ified to account for side-pumping, the double-clad waveguide geometry, and the presence of upconversion and cross-relax- ation, ...
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Diode pumped IμM neodymium lasers and their internal frequency doubling
... pm power were mainly a result of certain compromises in the overall ...side- pumped amplifier design has the benefit of simplicity but cannot hope to approach the efficiency of end-pumped ...
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A power scaling strategy for longitudinally diode pumped Tm:YLF lasers
... Normally, one might expect that using a low doping level and a longer absorption length for the pump, within the stringent limits set by the brightness of high-power diode pump sources, would be beneficial for ...
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Study on the efficiency improvement of Diode Side Pumped Solid State Lasers
... diode power into laser crystal and the optimization of various components and ...diode power into the laser rod can be found in the literature ...diode power into the laser ...diode power to ...
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High average power planar waveguide lasers
... pump power through the small end faces of the laser ...that power scaling can be simply achieved by increasing the length over which the waveguide is pumped to allow in more pump power, ...
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Double clad structure and proximity coupling for diode bar pumped planar waveguide lasers
... was end-polished on all four faces to allow lasing along the long axis and pumping along the short ...output power of 10 W and a 1 cm by 1 m emission ...pump power before and after the waveguide and ...
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High power fibre lasers
... ASE power in cladding-pumped fibre lasers are also ...cladding pumped fibre lasers over the end pumping of single mode ...pump power absorption by the normally ...
153
Fibre compatible modelocked lasers at 1 5μm
... the lasers incorporating the more heavily doped fibre are only -70% as efficient as those using the lower dopant ...fibre lasers is not compromised due to this ...output power was obtained around ...
214
Power Scaling of Laser Oscillators and Amplifiers Based on Nd:YVO4
... average power [1]. Mode-locked lasers use a similar mecha- nism (passive or active) to periodically vary the loss in the cavity however, the repetition rate of the low-loss condition in the cavity is made ...
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Optically pumped intersublevel midinfrared lasers based on InAs-GaAs quantum dots
... The population of energy levels, and consequently the popula- tion inversion and gain were extracted from the rate equations model. The waveguide and cavity for edge and surface emission are proposed as well. Our results ...
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Environmental Health and Safety. Laser Safety Guide. Environmental Health and Safety
... For UV lasers, skin exposure is a concern for sun burn like effects and an increased risk of skin cancer. When UV scatter cannot be reduced by shielding, other forms of skin protection must be used. Chemical face ...
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Population inversion in optically pumped asymmetric quantum well terahertz lasers
... pump source. Intersubband optical pumping was recently demonstrated by Julien and co-workers. 5,6 Although less convenient than electrical injection ~particularly for commer- cial applications!, optical pumping allows ...
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Gain optimization in optically pumped AlGaAs unipolar quantum-well lasers
... band lasers is the maximization of ...optically pumped QW laser [14] the profile of an asymmetric step QW was varied so as to max- imize the square of the dipole matrix elements relevant for the optical ...
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PUMPED STORAGE POWER PLANTS
... networks. Pumped storage hydroelectricity is the only economic and flexible means of storing grid scale amounts of excess energy, allowing power plants dispatchers to successfully manage that balancing ...
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Experiments and Simulations of short-pulse laser-pumped extreme ultraviolet lasers
... X-ray lasers [2] were produced using thin foil targets with complete ablation of the ...X-ray lasers mainly because with more gentle density gradients, the X-ray laser beam did not refract out of the gain ...
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Anisotropy of the photo-elastic effect in Nd:KGd(WO4)2 laser crystals
... O-cut KGW laser crystals have recently attracted significant attention due to the so-called “conical refraction” effect [17]. This effect is thought to be responsible for polarization-tuning of the laser emission [13], ...
11
Investigations into improving the performance of discharge pumped rare gas halide excimer lasers
... discharge pumped excimer lasers has been the design of repetitive pulse power supplies capable of delivering electrical power into the discharge at the optimum level to ensure good laser ...
187
Micro‐LED pumped polymer laser : a discussion of future pump sources for organic lasers
... several 10 ns duration, as indicated in Fig. 11. So far, this regime is only reached by the cutting edge of organic laser technology and it is therefore important to develop fabri- cation techniques that allow creating ...
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Nanoimprinted distributed feedback lasers of solution processed hybrid perovskites
... diode lasers. Perovskite lasers have been demonstrated in several configurations: resonators including a Fabry-Perot cavity formed with parallel edge facets [11]; ring resonators in microspheres or ...
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