Thomas Binhammer
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View article: High-order harmonic spectroscopy in an ionized high-density target
High-order harmonic spectroscopy in an ionized high-density target Open
We use high-order harmonic spectroscopy to study ionization dynamics in a macroscopic target with tunable density, spanning over six orders of magnitude. In an in situ pump-probe experiment, the target is prepared at different densities wi…
View article: Ultrafast MHz‐Rate Burst‐Mode Pump–Probe Laser for the FLASH FEL Facility Based on Nonlinear Compression of ps‐Level Pulses from an Yb‐Amplifier Chain
Ultrafast MHz‐Rate Burst‐Mode Pump–Probe Laser for the FLASH FEL Facility Based on Nonlinear Compression of ps‐Level Pulses from an Yb‐Amplifier Chain Open
The Free‐Electron Laser (FEL) FLASH offers the worldwide still unique capability to study ultrafast processes with high‐flux, high‐repetition rate extreme ultraviolet, and soft X‐ray pulses. The vast majority of experiments at FLASH are of…
View article: Fast-tunable femtosecond visible radiation via sum-frequency generation from a high power NIR NOPO
Fast-tunable femtosecond visible radiation via sum-frequency generation from a high power NIR NOPO Open
We report on a high power ultra-broadband, quickly tunable non-collinear parametric oscillator with highly efficient intra-cavity sum-frequency generation. It simultaneously delivers femtosecond pulses in two synchronized output beams: up …
View article: Ultrafast MHz-rate burst-mode pump-probe laser for the FLASH FEL\n facility based on nonlinear compression of ps-level pulses from an\n Yb-amplifier chain
Ultrafast MHz-rate burst-mode pump-probe laser for the FLASH FEL\n facility based on nonlinear compression of ps-level pulses from an\n Yb-amplifier chain Open
The Free-Electron Laser (FEL) FLASH offers the worldwide still unique capability to study ultrafast processes with high-flux, high-repetition rate XUV and soft X-ray pulses. The vast majority of experiments at FLASH are of pump-probe type.…
View article: Kerr-lens mode locked, synchronously pumped, ultra-broadband breathing pulse optical parametric oscillator
Kerr-lens mode locked, synchronously pumped, ultra-broadband breathing pulse optical parametric oscillator Open
Profiting from a breathing pulse design, we demonstrate a Kerr-lens mode locked non-collinear optical parametric oscillator, which is capable of delivering stable ultrabroadband signal spanning from 628 nm to 890 nm at -10 dB level.
View article: Revealing the Microscopic Real-Space Excursion of a Laser-Driven Electron
Revealing the Microscopic Real-Space Excursion of a Laser-Driven Electron Open
High-order harmonic spectroscopy allows one to extract information on fundamental quantum processes, such as the exit time in the tunneling of an electron through a barrier with attosecond time resolution and molecular structure with angst…
View article: Multipass OPCPA system at 100 kHz pumped by a CPA-free solid-state amplifier
Multipass OPCPA system at 100 kHz pumped by a CPA-free solid-state amplifier Open
We present a compact few-cycle 100 kHz OPCPA system pumped by a CPA-free picosecond Nd:YVO4 solid-state amplifier with all-optical synchronization to an ultra-broadband Ti:sapphire oscillator. This pump approach shows an exceptional conver…
View article: 500 kHz OPCPA delivering tunable sub-20 fs pulses with 15 W average power based on an all-ytterbium laser
500 kHz OPCPA delivering tunable sub-20 fs pulses with 15 W average power based on an all-ytterbium laser Open
An optical parametric chirped pulse amplifier fully based on Yb lasers at 500 kHz is described. Passive optical-synchronization is achieved between a fiber laser-pumped white-light and a 515 nm pump produced with a 200 W picosecond Yb:YAG …