Search Results - "Steinkopff, Albrecht"
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1
Numerical Analysis of Tapered Multicore Fibres for Laser System Scaling
Published in EPJ Web of conferences (2022)Get full text
Journal Article -
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Tapered multicore fibers for energy-scalable fiber laser systems
Published in EPJ Web of conferences (2022)“…With active multicore fibers (MCFs), many parallel amplifying waveguides can be densely assembled into a common glass cladding. A tapered fiber geometry…”
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3
Impact of thermo-optical effects in coherently combined multicore fiber amplifiers
Published in Optics express (07-12-2020)“…In this work we analyze the power scaling potential of amplifying multicore fibers (MCFs) used in coherently combined systems. In particular, in this study we…”
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Journal Article -
4
Optimized Multicore Fiber Designs for Coherent Combination
Published in 2023 Conference on Lasers and Electro-Optics Europe & European Quantum Electronics Conference (CLEO/Europe-EQEC) (26-06-2023)“…Multicore fibers (MCFs) have already demonstrated to be a power-scalable fiber laser concept with recent demonstrations reaching the 1 kW level [1]. MCFs help…”
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Conference Proceeding -
5
7\times 7 Multicore Fiber, Nanosecond Laser System Delivering 60 mJ Pulse Energy
Published in 2023 Conference on Lasers and Electro-Optics Europe & European Quantum Electronics Conference (CLEO/Europe-EQEC) (26-06-2023)“…Multicore fibers (MCF) offer a groundbreaking method that allows compact setups with an unprecedented number of channels [1]. In fact, MCFs offer an…”
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Conference Proceeding -
6
Analysis of optical core-to-core coupling: challenges and opportunities in multicore fiber amplifiers
Published in Optics express (14-08-2023)“…In this work we study in detail core-to-core coupling effects in multicore fibers (MCFs) using a simulation tool based on supermodal interference. We pay…”
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Journal Article -
7
Impact of thermo-optical effects in coherently-combined multicore fiber amplifiers
Published 01-03-2021“…Opt. Express 28, 38093-38105 (2020) In this work we analyze the power scaling potential of amplifying multicore fibers (MCFs) used in coherently-combined…”
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Journal Article -
8
Simplified Design of Optical Elements for Filled-Aperture Coherent Beam Combination
Published 26-01-2021“…Optics Express 28, 21035-21045 (2020) A simplification strategy for Segmented Mirror Splitters (SMS) used as beam combiners is presented. These devices are…”
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9
3.5 kW coherently combined ultrafast fiber laser
Published 21-01-2021“…An ultrafast laser based on coherent beam combination of four ytterbium-doped step-index fiber amplifiers is presented. The system delivers an average power of…”
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Journal Article -
10
Mitigation of thermally-induced performance limitations in coherently-combined multicore fiber amplifiers
Published in Optics express (09-05-2022)“…Multicore fiber (MCF) amplifiers have gained increasing interest over the past years and shown their huge potential in first experiments. However, high thermal…”
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11
High-power multicore fiber laser systems
Published in Progress in quantum electronics (01-06-2022)Get full text
Journal Article -
12
Investigation of spatiotemporal output beam profile instabilities from differentially pumped capillaries
Published 25-02-2021“…Optics Express Vol. 29, Issue 5, pp. 6957-6966 (2021) Differentially pumped capillaries, i.e., capillaries operated in a pressure gradient environment, are…”
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13
Simplified design of optical elements for filled-aperture coherent beam combination
Published in Optics express (06-07-2020)“…A simplification strategy for segmented mirror splitters (SMS) used as beam combiners is presented. These devices are useful for compact beam division and the…”
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Journal Article -
14
Investigation of spatiotemporal output beam profile instabilities from differentially pumped capillaries
Published in Optics express (01-03-2021)“…Differentially pumped capillaries, i.e., capillaries operated in a pressure gradient environment, are widely used for nonlinear pulse compression. In this…”
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Journal Article -
15
Optimizing rod-type multicore fiber amplifiers in coherently-combined laser systems
Published in 2021 Conference on Lasers and Electro-Optics Europe & European Quantum Electronics Conference (CLEO/Europe-EQEC) (21-06-2021)“…Coherent beam combination of fiber amplifiers is a powerful tool to synthetically increase the effective mode area of the beam while mitigating most of the…”
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Conference Proceeding -
16
Q-Switched Rod-Type Multicore Fibre Laser Delivering 3.1 mJ Pulses
Published in 2021 Conference on Lasers and Electro-Optics Europe & European Quantum Electronics Conference (CLEO/Europe-EQEC) (21-06-2021)“…Multicore fibres (MCFs) with active doped cores are a promising technology to increase effective mode area and therefore available power and energy of fibre…”
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Conference Proceeding -
17
1 kW average power emission from an in-house 4x4 multicore rod-type fiber
Published in 2021 Conference on Lasers and Electro-Optics Europe & European Quantum Electronics Conference (CLEO/Europe-EQEC) (21-06-2021)“…Multicore fibers have the potential to combine the advantages of optical fibers (such as their high average power capability, high efficiency and well-defined…”
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Conference Proceeding -
18
Industrial Ultrafast Lasers - Systems, Processing Fundamentals, and Applications
Published in 2019 Conference on Lasers and Electro-Optics (CLEO) (01-05-2019)“…The architectures of industrial ultrafast lasers are being reviewed and their performance compared. Ablations rates as a function of pulse duration (0.4 - 19…”
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Conference Proceeding -
19
3.5 kW Four-Channel Coherently Combined Ultrafast Fiber Laser
Published in 2019 Conference on Lasers and Electro-Optics Europe & European Quantum Electronics Conference (CLEO/Europe-EQEC) (01-06-2019)“…Power scaling of ultrafast fiber lasers has been accelerated by coherent beam combination [1]. Persisting challenges regarding the average power, i.e. mode…”
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Conference Proceeding