Abstract
Due to a wide band-gap, the alkali metal halide salts (KBr, NaBr, KI, NaI and CsI) are transparent to infrared femtosecond laser pulses and allow generation of X-ray inside the sample rather than on its surface. In this study, the emission of X-ray was experimentally investigated in the KBr target. The KBr salt targets were prepared using pellet method. We compared the X-ray emission in KBr and metallic Cu targets. The angular distribution of the X-ray flux was investigated using experimental measurements and numerical Monte Carlo modeling. The mean depth of the X-ray source in the alkali halide targets was found to be 5 \(\mu \)m.
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This manuscript has associated data in a data repository. [Authors’ comment: We agree to provide all relevant raw data to any researcher wishing to use them for non-commercial purposes].
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This project has received funding from the European Social Fund (project No 09.3.3-LMT-K-712-19-0014) under a grant agreement with the Research Council of Lithuania (LMTLT).
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Anton Koroliov, Karolina Varsockaja, Jonas Reklaitis and Art\(\bar{\mathrm{u}}\)ras Plukis participated in experimental design, data analysis and interpretation part. Anton Koroliov, Karolina Varsockaja and Jonas Reklaitis carried out the data acquisition. Vytenis Barkauskas, Darius Germanas and Jonas Reklaitis participated in data modeling. All authors contributed equally in discussion of the results. Anton Koroliov, Karolina Varsockaja, Jonas Reklaitis and Vytenis Barkauskas carried out the draft manuscript. Art\(\bar{\mathrm{u}}\)ras Plukis, Vidmantas Remeikis and Jonas Reklaitis conducted the supervision of the experimental part and the manuscript draft. All authors read and approved the final manuscript.
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Koroliov, A., Reklaitis, J., Barkauskas, V. et al. Study of \(K_{\alpha }\) X-ray flux angular distribution in Cu and KBr targets. Eur. Phys. J. D 76, 171 (2022). https://doi.org/10.1140/epjd/s10053-022-00499-z
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DOI: https://doi.org/10.1140/epjd/s10053-022-00499-z