Anke Heilmann
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View article: High-brightness table-top coherent XUV source at 130eV
High-brightness table-top coherent XUV source at 130eV Open
We present a highly stable, easy-to-use, table-top coherent XUV source delivering a brightness of >1kW/(mm²sr)/1%BW at 130eV (9.5nm). It is based on high-harmonic generation driven by an ultrastable ytterbium-based fiber laser and a multip…
View article: Ultrafast element- and depth-resolved magnetization dynamics probed by transverse magneto-optical Kerr effect spectroscopy in the soft x-ray range
Ultrafast element- and depth-resolved magnetization dynamics probed by transverse magneto-optical Kerr effect spectroscopy in the soft x-ray range Open
We report on time- and angle-resolved transverse magneto-optical Kerr effect spectroscopy in the soft x-ray range that, by analysis via polarization-dependent magnetic scattering simulations, allows us to determine the spatio-temporal and …
View article: Ultrafast NEXAFS spectroscopy in the lab using laser-based sources and advanced X-ray optics
Ultrafast NEXAFS spectroscopy in the lab using laser-based sources and advanced X-ray optics Open
Laboratory based laser driven short pulse X-ray sources like laser produced plasmas (LPP) and high harmonic generation (HHG) exhibit a great potential for spectroscopy in the soft X-ray range. These sources are complementary to large scale…
View article: 27 W 2.1 µm OPCPA system for coherent soft X-ray generation operating at 10 kHz
27 W 2.1 µm OPCPA system for coherent soft X-ray generation operating at 10 kHz Open
We developed a high power optical parametric chirped-pulse amplification (OPCPA) system at 2.1 µm harnessing a 500 W Yb:YAG thin disk laser as the only pump and signal generation source. The OPCPA system operates at 10 kHz with a single pu…
View article: Coherent beam combining of 61 femtosecond fiber amplifiers
Coherent beam combining of 61 femtosecond fiber amplifiers Open
We report on the coherent beam combining of 61 femtosecond fiber chirped-pulse amplifiers in a tiled-aperture configuration along with an interferometric phase measurement technique. Relying on coherent beam recombination in the far field,…
View article: Highly scalable femtosecond coherent beam combining system of high power fiber amplifiers
Highly scalable femtosecond coherent beam combining system of high power fiber amplifiers Open
Future applications of high power ultrafast laser systems require simultaneously high average and peak powers. A technique which has proved to be capable of meeting these demands is coherent beam combining (CBC).In this technique, the beam…
View article: Coherent beam combining of seven fiber chirped-pulse amplifiers using an interferometric phase measurement
Coherent beam combining of seven fiber chirped-pulse amplifiers using an interferometric phase measurement Open
Coherent beam combining in tiled-aperture configuration is demonstrated on seven femtosecond fiber amplifiers using an interferometric phase measurement technique. The residual phase error between two fibers is as low as λ/55 RMS and a com…
View article: Highly Scalable Coherent Beam Combining of Femtosecond Fiber Chirped-Pulse Amplifiers
Highly Scalable Coherent Beam Combining of Femtosecond Fiber Chirped-Pulse Amplifiers Open
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