317 citations · 1.5k across the 16 of their papers we have counts for
16 papers
The scaling potential of beam-splitter-based coherent beam combination
Michael Mueller, Christopher Aleshire, Joachim Buldt +4
The impact of nonlinear refraction and residual absorption on the achievable peak and average power in beam-splitter-based coherent beam combination is analyzed theoretically. Whil…
Multipass cell for high-power few-cycle compression
Michael Mueller, Joachim Buldt, Henning Stark +2
A multipass cell for nonlinear compression to few-cycle pulse duration is introduced comprising dielectrically enhanced silver mirrors on silicon substrates. Spectral broadening wi…
Gas-plasma based generation of broadband THz radiation with 640 mW average power
Joachim Buldt, Henning Stark, Michael Mueller +3
We present a high-power source of broadband terahertz radiation covering the whole THz spectral region (0.1-30 THz). The two-color gas plasma generation process is driven by a stat…
1 kW, 10 mJ, 120 fs coherently combined fiber CPA laser system
Henning Stark, Joachim Buldt, Michael Müller +2
An ultrafast fiber chirped-pulse amplification laser system based on coherent combination of 16 ytterbium-doped rod-type amplifiers is presented. It generates 10 mJ pulse energy at…
Kilowatt-average-power compression of millijoule pulses in a gas-filled multi-pass cell
Christian Grebing, Michael Müller, Joachim Buldt +2
We demonstrate the reliable generation of 1-mJ, 31-fs pulses with an average power of 1 kW by post-compression of 200-fs pulses from a coherently combined Yb:fiber laser system in…
23 mJ high-power fiber CPA system using electro-optically controlled divided-pulse amplification
Henning Stark, Joachim Buldt, Michael Müller +3
The pulse-energy scaling technique electro-optically controlled divided-pulse amplification is implemented in a high-power ultrafast fiber laser system based on coherent beam combi…
Electro-optically controlled divided-pulse amplification
Henning Stark, Michael Müller, Marco Kienel +3
A novel technique for divided-pulse amplification is presented in a proof-of-principle experiment. A pulse burst, cut out of the pulse train of a mode-locked oscillator, is amplifi…
Temporal contrast enhancement of energeticlaser pulses by filtered self-phase-modulation broadened spectra
Joachim Buldt, Michael Mueller, Robert Klas +3
We present a novel approach for temporal contrast enhancement of energetic laserpulses by filtered SPM broadened spectra. A measured temporal contrast enhancement by at least 7 ord…
10.4 kW coherently combined ultrafast fiber laser
Michael Müller, Christopher Aleshire, Arno Klenke +4
An ultrafast laser delivering 10.4 kW average output power based on coherent combination of twelve stepindex fiber amplifiers is presented. The system emits close-to-transform-limi…
High-average-power femtosecond laser at 258 nm
Michael Müller, Arno Klenke, Thomas Gottschall +6
We present an ultrafast fiber laser system delivering 4.6 W average power at 258 nm based on two-stage fourth-harmonic generation in beta barium borate (BBO). The beam quality is c…
3.5 kW coherently combined ultrafast fiber laser
Michael Müller, Arno Klenke, Albrecht Steinkopff +3
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 3.5 kW and a pulse d…
1kW 1mJ 8-channel ultrafast fiber laser
Michael Müller, Marco Kienel, Arno Klenke +5
An ultrafast fiber chirped-pulse amplifier comprising 8 coherently combined amplifier channels is presented. The laser delivers 1 kW average power at 1 mJ pulse energy and 260 fs p…
Sequential phase locking scheme for a filled aperture intensity coherent combination of beam arrays
Arno Klenke, Michael Müller, Henning Stark +2
We present a novel phase locking scheme for the coherent combination of beam arrays in the filled aperture configuration. Employing a phase dithering mechanism for the different be…
Energetic sub-2-cycle laser with 220 W average power
Steffen Hädrich, Marco Kienel, Michael Müller +12
Few-cycle lasers are essential for many research areas such as attosecond physics that promises to address fundamental questions in science and technology. Therefore, further advan…
Coherently combined 16 channel multicore fiber laser system
A. Klenke, M. Müller, H. Stark +5
We present a coherently combined laser amplifier with 16 channels from a multicore fiber in a proof-of-principle demonstration. Filled aperture beam splitting and combination toget…
Coherent Beam Combination of Ultrafast Fiber Lasers
Arno Klenke, Michael Müller, Henning Stark +4
The performance of fiber laser systems has drastically increased over recent decades, which has opened up new industrial and scientific applications for this technology. However, c…