high power fibre lasers
High power fibre lasers
... both lasers and amplifiers operate, they show a similar ...the fibre facets. The optical gain achieved after lasers and amplifiers are pumped to reach high population inversion is the way of ...
153
Fabrication of novel geometry fibre lasers for high power applications
... very high power and excellent stability, was ...multicore fibre lasers were fabricated using drilling and stacking techniques, and measured the beam quality ...first fibre with seven ...
180
Advanced waveguides for high power optical fibre sources
... for high power optical fibre sources ...cladding-pumped high-power fibre lasers operating at specific desired wavelengths that would otherwise be suppressed by unwanted ...
210
High power pulsed ytterbium doped fibre lasers and their applications
... state lasers, which use birefringent gain crystals, fibre lasers in general have an obvious drawback in that the output beam polarisation is ...of fibre. A single mode fibre is not ...
150
High power two micron fibre bulk hybrid lasers
... Tm-doped fibre lasers would be affected by using ultra high-power (>300W) low brightness pump sources, and to consider ways to increase the effective numerical aperture of the inner-cladding ...
117
Pulses on Demand in Fibre and Hybrid Lasers
... gain-switched fibre laser was realized by using an advanced pump system in a ytterbium-doped fibre oscillator and a pump-recovery ...generated high-power pump pulses with a duration from 500 ...
10
High power ultra-short pulse quantum-dot lasers
... 98 4.2.7 Optical spectrometer. The laser spectrometer WaveScan APE (Angevandte Physik und Elektronik GmbH) RS232 version was designed for measuring the spectrum of continuous wave or high pulse repetition rate ...
266
Research and development of thulium-doped fibre lasers
... The high power, ...output power stability and beam quality (M 2 ≤ 1.86). The highest recorded power for the laser was 63 W at ~118 W of launched pump ...of fibre involved, the ...
125
Linewidth and phase noise characteristics of DFB fibre lasers
... Pump power: 100mW. Resolution BW: 1 kHz; Video BW: 300 Hz. The relatively high pump powers involved here and the strong pump absorption afforded by the Yb/Er in the fiber core - the fiber small signal ...
8
Advanced high power pulsed fibre laser systems and their applications
... effects High-power fibre based devices have excellent thermal properties due to the unique heat dissipation along the fibre ...in power scaling to high average ...in power ...
157
Micromachining with single mode fibre lasers for medical device production
... 2. Fibre Laser for Microcutting The flash-lamp pumped Nd:YAG is an established tool for microcutting ...pulse power levels required for microcutting ...solid-state lasers have several disadvantages, ...
170
Development of resonantly cladding-pumped holmium-doped fibre lasers
... holmium fibre lasers provides a fibre laser platform capable of addressing a wide range of applications that benefit from operation at wavelengths beyond ...promise high efficiency sources in ...
9
Thulium doped fibre lasers in continuous-wave and pulsed regimes
... broadband, high-reflective mirror and volume Bragg ...active fibre, ~ ...the fibre laser. For a fibre length of 6.5 m, a maximum output power of ~ 30 W was obtained with corresponding ...
112
High power cladding pumped Raman and erbium ytterbium doped fibre sources
... the power-scaling of large core double-clad Er:Yb doped fibre is ...tapered fibre section is used in all-fibre Fabry-Perot laser ...continuous-wave fibre laser. High output ...
214
High Power Lasers and New Applications
... reflector. If the intensity of emission exceeds the threshold of optical breakdown, then plasma front is extended towards the ray, occurs heating and the ionization of air as a result of absorbing the laser emission. ...
17
High average power planar waveguide lasers
... pump power of 272W but this performance could not last due to waveguide ...predict power scalability of this laser system, a 50µm Yb:YAG waveguide laser was ...output power could be obtained with ...
173
High power lasers and ecology of atmosphere (I)
... therefore the large part of the lightning discharges the cloud-earth returns to the earth negative charge. In the lower part of the cloud frequently is revealed smaller in the value the positive charge of ~10 Cl. For ...
8
High power disk lasers: advantages and prospects
... of high-frequency modulation of the output from high-power laser sources is due to the regenerative ampli- fication of a small signal injected into the cavity of a high-power gas or ...
6
Remote Laser Welding with High Power Fiber Lasers
... example, high flexibility, reduced cycle time, high speed production of sound welds with consistent quality, a high degree of automation, good accessibility to the weld joints due to the long focal ...
7
Recent Developments in High Power Semiconductor Diode Lasers
... diode lasers, this reliability is difficult to achieve using a conventional bar assembly ...diode lasers turned out to have clearly higher destruction currents in hard-pulse ...for high-temperature ...
25