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

Originalpublikation

Mosel, P.; Sankar, P.; Appi, E.; Jusko, C.; Zuber, D. et al.: Potential hazards and mitigation of X-ray radiation generated by laser-induced plasma from research-grade laser systems. In: Optics Express 30 (2022), Nr. 20, 37038. DOI: https://doi.org/10.1364/oe.468135

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Zusammenfassung:
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.
Lizenzbestimmungen: Optica Open Access Publishing Agreement - https://opg.optica.org/library/license_v2.cfm#VOR-OA
Publikationstyp: Article
Publikationsstatus: publishedVersion
Erstveröffentlichung: 2022
Schlagwörter (englisch): Radiation hazards, High laser intensities, Laser induced plasma, Laser systems, Potential hazards, Radiation dose rate, Radiation factors, Ultrashort-pulse, X ray radiation, X ray spectrum, X-ray generation, Laser produced plasmas
Fachliche Zuordnung (DDC): 530 | Physik

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