14 citations · 33 across the 7 of their papers we have counts for
8 papers
Radiant fluence from ray tracing in optical multipass systems
Mirosław Marszałek, Lukas Affolter, Oguzhan Kara +4
In applications of optical multipass cells in photochemical reactors and laser excitation of weak transitions, estimation of the radiation dose in a volume of interest allows to as…
A compact 20-pass thin-disk multipass amplifier stable against thermal lensing effects and delivering 330 mJ pulses with
Manuel Zeyen, Lukas Affolter, Marwan Abdou Ahmed +11
We report on an Yb:YAG thin-disk multipass amplifier delivering 50 ns long pulses at a central wavelength of 1030 nm with an energy of 330 mJ at a repetition rate of 100 Hz. The be…
Injection-seeded high-power Yb:YAG thin-disk laser stabilized by the Pound-Drever-Hall method
Manuel Zeyen, Lukas Affolter, Marwan Abdou Ahmed +12
We demonstrate an injection-seeded thin-disk Yb:YAG laser at 1030 nm, stabilized by the Pound-Drever-Hall (PDH) method. We modified the PDH scheme to obtain an error signal free fr…
Diffusion of muonic hydrogen in hydrogen gas and the measurement of the 1 hyperfine splitting of muonic hydrogen
J. Nuber, A. Adamczak, M. Abdou Ahmed +46
The CREMA collaboration is pursuing a measurement of the ground-state hyperfine splitting (HFS) in muonic hydrogen (p) with 1 ppm accuracy by means of pulsed laser spectroscopy.…
Pound-Drever-Hall locking scheme free from Trojan operating points
Manuel Zeyen, Lukas Affolter, Marwan Abdou Ahmed +11
The Pound-Drever-Hall (PDH) technique is a popular method for stabilizing the frequency of a laser to a stable optical resonator or, vice versa, the length of a resonator to the fr…
Laser excitation of the 1s-hyperfine transition in muonic hydrogen
P. Amaro, A. Adamczak, M. Abdou Ahmed +43
The CREMA collaboration is pursuing a measurement of the ground-state hyperfine splitting (HFS) in muonic hydrogen (p) with 1 ppm accuracy by means of pulsed laser spectroscopy…
Passive alignment stability and auto-alignment of multipass amplifiers based on Fourier transforms
Karsten Schuhmann, Klaus Kirch, Andreas Knecht +8
The stability properties of Fourier-based multipass amplifier to misalignments (tilts) of its optical components has been investigated. For this purpose, a method to quantify the s…
Multi-pass amplifiers with self-compensation of the thermal lens
Karsten Schuhmann, Klaus Kirch, Miroslaw Marszalek +7
We present a novel architecture for a multi-pass amplifier based on a succession of optical Fourier transforms and short propagations that shows a superior stability for variations…