Influence of pulse duration on X-ray emission during industrial ultrafast laser processing

J Holland, R Weber, M Sailer, T Graf - Materials, 2022 - mdpi.com
Soft X-ray emissions during the processing of industrial materials with ultrafast lasers are of
major interest, especially against the background of legal regulations. Potentially hazardous …

Vacuum-free femtosecond fiber laser microplasma X-ray source for radiography

A Garmatina, E Mareev, N Minaev, N Asharchuk… - Optics …, 2023 - opg.optica.org
Radiographic imaging using X-rays is a tool for basic research and applications in industry,
materials science, and medical diagnostics. In this article, we present a novel approach for …

X-ray emission during the ablative processing of biological materials by ultrashort laser pulses

S Kraft, J Schille, J Bonse, U Löschner, J Krüger - Applied Physics A, 2023 - Springer
The ablative laser processing with ultrashort pulsed laser beams may cause secondary
emission of hazardous X-rays. While the effect has recently been proven to be considered in …

Potential hazards and mitigation of X-ray radiation generated by laser-induced plasma from research-grade laser systems

P Mosel, P Sankar, Zulqarnain, E Appi, C Jusko… - Optics …, 2022 - opg.optica.org
A large range of laser-matter applications employ ultrashort pulses and high laser intensity.
Such processes can lead to unrequired X-ray generation, which represents a hazardous …

Enhanced X-ray emissions arising from high pulse repetition frequency ultrashort pulse laser materials processing

J Schille, S Kraft, D Kattan, U Löschner - Materials, 2022 - mdpi.com
The ongoing trend in the development of powerful ultrashort pulse lasers has attracted
increasing attention for this technology to be applied in large-scale surface engineering and …

Worst-case X-ray photon energies in ultrashort pulse laser processing

K Böttcher, M Schmitt Rahner, U Stolzenberg, S Kraft… - Materials, 2022 - mdpi.com
Ultrashort pulse laser processing can result in the secondary generation of unwanted X-rays
if a critical laser irradiance of about 1013 W cm− 2 is exceeded. Spectral X-ray emissions …

X-ray emission hazards from ultrashort pulsed laser material processing in an industrial setting

U Stolzenberg, M Schmitt Rahner, B Pullner, H Legall… - Materials, 2021 - mdpi.com
Interactions between ultrashort laser pulses with intensities larger than 1013 W/cm2 and
solids during material processing can lead to the emission of X-rays with photon energies …

Special Issue “Advanced Pulse Laser Machining Technology”

J Krüger, J Bonse - Materials, 2023 - mdpi.com
“Advanced Pulse Laser Machining Technology” is a rapidly growing field that can be tailored
to special industrial and scientific applications. This is significantly driven by the availability …

Compact high-flux X-ray source based on irradiation of solid targets by gigahertz and megahertz bursts of femtosecond laser pulses

L Rimkus, I Stasevičius, M Barkauskas, L Giniūnas… - Optics …, 2022 - opg.optica.org
In this study, we demonstrate the significant increase in the hard X-ray yield (more than 10^
11 photons/s in 4π solid angle in 6-40 keV range) that can be achieved in an ambient air …

Self-shielding of X-ray emission from ultrafast laser processing due to geometrical changes of the interaction zone

J Holland, C Hagenlocher, R Weber, T Graf - Materials, 2024 - mdpi.com
Materials processing with ultrashort laser pulses is one of the most important approaches
when it comes to machining with very high accuracy. High pulse repetition rates and high …