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Arno Klenke, César Jáuregui, Jens Limpert
Coherent light sources are an enabling technology for a significant number of applications. More than 50 years after the invention of the laser, these sources drive numerous applications in science and industry, and they have even become an essential part of our …
Thomas Schreiber, César Jáuregui, Stefan Kuhn, Michel J. F. Digonnet et autres
Fiber lasers offer some of the most promising technologies for scaling the average power emitted by solid-state lasers while maintaining diffraction-limited beam quality. In particular, over the years, ytterbium-doped silica fibers have reached up to several kW of continuous-wave (CW) average output …
Yiming Tu, Christian Pfleghar, César Jáuregui, Jens Limpert
Supplemental documents
Yiming Tu, Christian Pfleghar, César Jáuregui, Jens Limpert
Supplemental documents
Yiming Tu, Christian Pfleghar, César Jáuregui, Jens Limpert
A new scalar and data-driven approach to experimentally characterize the transverse modes of optical fibers is proposed in this paper. It retrieves the orthogonal modal base set of the fiber using singular value decomposition after collecting a large set of data under …
Yiming Tu, Christian Pfleghar, César Jáuregui, Jens Limpert
A new scalar and data-driven approach to experimentally characterize the transverse modes of optical fibers is proposed in this paper. It retrieves the orthogonal modal base set of the fiber using singular value decomposition after collecting a large set of data under …
Yiming Tu, Christian Pfleghar, César Jáuregui, Jens Limpert
Supplemental documents
Felix Wanitschke, César Jáuregui, Arno Klenke, Yas Khalil et autres
In 2014, it was hypothesized that MCFs could act as shielded interferometers, where environmental perturbations would affect all cores in a highly correlated manner, leading to stable relative phases. However, this hypothesis has remained unverified. In this work, we present experimental evidence …
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Arno Klenke, Felix Wanitschke, Mehran Bahri, Yas Khalil et autres
We present a femtosecond laser system based on a 49-core, Ytterbium-doped fiber. Phase control of the individual beams enables fast beam-shaping up to the kHz frequency range at 150 W total average power after compression.
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Mathias Lenski, Felix Wanitschke, Florian Bontke, Christian Gaida et autres
We report on our investigations on high-power, in-band pumped Thulium-doped fiber laser systems for high energy extraction in the 2 μm wavelength region. The traditional 790 nm pumping scheme limits the output power scaling in Thulium-doped fiber lasers due to the quantum …
Yas Khalil, Mehran Bahri, Arno Klenke, César Jáuregui et autres
Multi-core fibers have emerged as a promising solution for high-power fiber laser systems, which allow for the simultaneous mitigation of thermal and nonlinear effects through core-count scaling. This makes them highly attractive for high-average-power applications. However, there has been no demonstration of …
de (code pays fourni par la source)
Sobhi Kholaif, César Jáuregui, Johannes Nold, Nicoletta Haarlammert et autres
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