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Towards ultimate high-power scaling: Coherent beam combining of fiber lasers
Fiber laser technology has been demonstrated as a versatile and reliable approach to laser
source manufacturing with a wide range of applicability in various fields ranging from …
source manufacturing with a wide range of applicability in various fields ranging from …
Coherent combination of ultrafast fiber amplifiers
We review recent progress in coherent combining of femtosecond pulses amplified in optical
fibers as a way to scale the peak and average power of ultrafast sources. Different methods …
fibers as a way to scale the peak and average power of ultrafast sources. Different methods …
530 W, 1.3 mJ, four-channel coherently combined femtosecond fiber chirped-pulse amplification system
We report on a femtosecond fiber laser system comprising four coherently combined large-
pitch fibers as the main amplifier. With this system, a pulse energy of 1.3 mJ and a peak …
pitch fibers as the main amplifier. With this system, a pulse energy of 1.3 mJ and a peak …
22 GW peak-power fiber chirped-pulse-amplification system
In this Letter, we report on a femtosecond fiber chirped-pulse-amplification system based on
the coherent combination of the output of four ytterbium-doped large-pitch fibers. Each …
the coherent combination of the output of four ytterbium-doped large-pitch fibers. Each …
Coherent combining efficiency in tiled and filled aperture approaches
Different approaches to qualify coherent beam combining performance in tiled and filled
aperture combining experiments are discussed. The dependence of the combining …
aperture combining experiments are discussed. The dependence of the combining …
Analysis of passively combined divided-pulse amplification as an energy-scaling concept
The energy scaling of ultrashort-pulse systems employing simultaneously the techniques of
chirped-pulse amplification and passively combined divided-pulse amplification is analyzed …
chirped-pulse amplification and passively combined divided-pulse amplification is analyzed …
Two-dimensional combination of eight ultrashort pulsed beams using a diffractive optic pair
We demonstrate, to the best of our knowledge, the first two-dimensional diffractive beam
combination for ultrashort pulses—a highly scalable technique capable of using a diffractive …
combination for ultrashort pulses—a highly scalable technique capable of using a diffractive …
Femtosecond pulse spectral synthesis in coherently-spectrally combined multi-channel fiber chirped pulse amplifiers
We demonstrate coherent spectral beam combining and femtosecond pulse spectral
synthesis using three parallel fiber chirped pulse amplifiers, each amplifying different …
synthesis using three parallel fiber chirped pulse amplifiers, each amplifying different …
Performance scaling of ultrafast laser systems by coherent addition of femtosecond pulses
J Limpert, A Klenke, M Kienel… - IEEE Journal of …, 2014 - ieeexplore.ieee.org
In the last decades, ultrafast lasers and amplifiers have achieved an extraordinary power
increase and have enabled a plethora of scientific, medical or industrial applications …
increase and have enabled a plethora of scientific, medical or industrial applications …
Machine learning pattern recognition algorithm with applications to coherent laser combination
We analyze a new kind of machine learning algorithm designed to feedback stabilize
coherently combined lasers. This algorithm learns differential, rather than absolute, values of …
coherently combined lasers. This algorithm learns differential, rather than absolute, values of …