Nonlinear pulse compression of a 200 mJ and 1 kW ultrafast thin-disk amplifier

Y Pfaff, G Barbiero, M Rampp, S Klingebiel, J Brons… - Optics express, 2023 - opg.optica.org
We present a high-energy laser source consisting of an ultrafast thin-disk amplifier followed
by a nonlinear compression stage. At a repetition rate of 5 kHz, the drive laser provides a …

Light along curves: Photonic shaping tools

D Flamm, J Hellstern, M Kaiser, M Kahmann… - Advanced Optical …, 2023 - frontiersin.org
A structured light concept is reported enabling to distribute a large number of focus copies at
arbitrary positions in a working volume. Applying this holographic 3D-beam splitter concept …

Phase retrieval algorithm applied to high-energy ultrafast lasers

J Wang, A Ghazagh, SS Ravi, S Baumbach… - Applied Optics, 2024 - opg.optica.org
A standardized phase retrieval algorithm is presented and applied to an industry-grade high-
energy ultrashort pulsed laser to uncover its spatial phase distribution. We describe in detail …

Optical tools for laser machining along six orders of magnitude

J Hellstern, C Tillkorn, T Hieronymus… - High-Power Laser …, 2024 - spiedigitallibrary.org
We present an overview on the development and characterization of multiscale laser
processing optics for versatile material modifications across more than six orders of …

Ultrafast 10 mJ, 100 W laser system featuring a directly laser written depolarization compensation element

A Kazakevičius, R Burokas, R Danilevičius… - Optics …, 2024 - opg.optica.org
In this study we demonstrated a compact and cost-effective high energy and average power
picosecond laser developed for OPCPA system pumping applications. The system delivered …

Photonic shaping tools for large-scale micro-machining

DC Mathews, J Wang, M Kaiser… - Laser-based Micro …, 2024 - spiedigitallibrary.org
We introduce ultrafast laser machining concepts where microscopic modifications can be
produced at macroscopic levels. The efficient use of the source's energy and power …

High-throughput Ultrafast Laser Surface Texturing with Flexible Multi-spot Patterns

M Kaiser, J Hellstern, F Kimmich, J Kleiner… - Laser Applications …, 2022 - opg.optica.org
High-throughput Ultrafast Laser Surface Texturing with Flexible Multi-spot Patterns Page 1
High-throughput Ultrafast Laser Surface Texturing with Flexible Multi-spot Patterns Myriam …