Zobrazeno 1 - 9
of 9
pro vyhledávání: '"Matthias Haefner"'
Autor:
Sanziana Ri, Schiopu, Gregor, Habl, Matthias, Haefner, Sonja, Katayama, Klaus, Herfarth, Juergen, Debus, Florian, Sterzing
Publikováno v:
Cancer Management and Research
Purpose Leptomeningeal metastasis (LM) is an increasingly common complication of late-stage systemic cancer, for which there is no standard treatment. We analyzed outcome and toxicity in patients with LM undergoing craniospinal irradiation via helica
Autor:
Marcel Schultze, Thomas Metzger, Catherine Y. Teisset, Seungchul Kim, Knut Michel, Dong Eon Kim, Matthias Haefner, Xiao Tao Geng, Yeon Lee, Stephan Prinz, Robert Bessing
Publikováno v:
2015 11th Conference on Lasers and Electro-Optics Pacific Rim (CLEO-PR).
We report on a CEP-stable OPCPA system reaching multi-GW peak power at 300 kHz repetition rate. It delivers over 50 uJ of pulse energy and pulse duration below 6 fs. Power fluctuations < 1.5% was achieved including a pump-seed-synchronization.
Autor:
Seungchul Kim, Catherine Y. Teisset, Marcel Schultze, Robert Bessing, Knut Michel, Thomas Metzger, Dong Eon Kim, Yeon H. Lee, Matthias Haefner, Stephan Prinz, Xiao Tao Geng
Publikováno v:
Optics express. 23(2)
We report on a CEP-stable OPCPA system reaching multi-GW peak powers at 300 kHz repetition rate. It delivers 15 W of average power, over 50 µJ of compressed pulse energy and a pulse duration below 6 fs. By implementing an additional pump-seed-synchr
Autor:
Robert Bessing, Matthias Haefner, Catherine Y. Teisset, Marcel Schultze, Stephan Prinz, Knut Michel, Thomas Metzger
Publikováno v:
CLEO: 2015.
An OPCPA system with 15 W of average power at 300 kHz repetition rate generating CEP-stable few-cycle pulses is presented. The system exhibits pulse durations below 6 fs, a peak power of 4.5 GW and an excellent long-term performance over hours of ope
Publikováno v:
Applied optics. 50(31)
We present a laser direct writing system for the efficient fabrication of high-resolution axicon structures. The setup makes use of scanning beam interference lithography incorporated with a fringe locking scheme for tight fringe phase control and al
Autor:
Hanieh Fattahi, Helena G. Barros, Martin Gorjan, Thomas Nubbemeyer, Bidoor Alsaif, Catherine Y. Teisset, Marcel Schultze, Stephan Prinz, Matthias Haefner, Moritz Ueffing, Ayman Alismail, Lénárd Vámos, Alexander Schwarz, Oleg Pronin, Jonathan Brons, Xiao Tao Geng, Gunnar Arisholm, Marcelo Ciappina, Vladislav S. Yakovlev, Dong-Eon Kim, Abdallah M. Azzeer, Nicholas Karpowicz, Dirk Sutter, Zsuzsanna Major, Thomas Metzger, Ferenc Krausz
Publikováno v:
Optica. 1:45
Autor:
Martin Rumpel, Matthias Haefner, Marwan Abdou Ahmed, Thomas Schoder, Christof Pruss, Andreas Voss, Wolfgang Osten, Thomas Graf
Publikováno v:
Optics Letters. 37:1763
We report on the generation of beams with azimuthal polarization using resonant grating waveguide structures (GWSs) inside an Yb:YAG thin-disk laser (TDL) oscillator. Two different GWS concepts were used to select the polarization of the emitted beam
Autor:
Birgit Weichelt, Marwan Abdou Ahmed, Martin Rumpel, Thomas Graf, Wolfgang Osten, Moritz M. Vogel, Christof Pruss, Matthias Haefner, Andreas Voss
Publikováno v:
Optics Express. 20:4024
A single-layer resonant-waveguide grating consisting of a sub-wavelength grating coupler etched into a waveguide is proposed in order to achieve high polarization and high spectral selectivity inside an Yb:YAG thin-disk laser resonator. The designed
Autor:
Thomas Graf, Andreas Voss, Wolfgang Osten, Matthias Haefner, Christof Pruss, Moritz M. Vogel, Marwan Abdou Ahmed
Publikováno v:
Optics Express. 19:5093
Radially polarized beams with an output power of 275 W, M2 = 2.3 and an efficiency of about 52.5% were generated from an Yb:YAG thin-disk laser. An intra-cavity circular resonant waveguide grating was used as a polarization selective mirror inside th