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

verfasst von
Philip Mosel, Pranitha Sankar, Zulqarnain, Elisa Appi, Christoph Jusko, David Zuber, Sven Kleinert, Jan Düsing, Jose Mapa, Günter Dittmar, Thomas Püster, Petra Böhmer-Brinks, Jan Willem Vahlbruch, Uwe Morgner, Milutin Kovacev
Abstract

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 radiation factor even for common laboratory research-grade laser systems. We present here an analysis of the radiation dose rate and X-ray spectrum emitted during ablation of a rotating copper cylinder with respect to several laser parameters. The results show that focused sub-picosecond pulses with intensity above 1013 W/cm2 can exceed the annual irradiation limit even in one hour, requiring appropriate shielding for the safety of the researchers.

Organisationseinheit(en)
Institut für Quantenoptik
QuantumFrontiers
PhoenixD: Simulation, Fabrikation und Anwendung optischer Systeme
Institut für Radioökologie und Strahlenschutz
Externe Organisation(en)
Laser Zentrum Hannover e.V. (LZH)
Ingenieurbüro Prof. Dr.-Ing. G. Dittmar
Typ
Artikel
Journal
Optics express
Band
30
Seiten
37038-37050
Anzahl der Seiten
13
ISSN
1094-4087
Publikationsdatum
26.09.2022
Publikationsstatus
Veröffentlicht
Peer-reviewed
Ja
ASJC Scopus Sachgebiete
Atom- und Molekularphysik sowie Optik
Elektronische Version(en)
https://doi.org/10.1364/OE.468135 (Zugang: Offen)