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Laser induced breakdown spectroscopy as a technique for elemental analysis of soft biological tissues
 Fedra, Vojtěch ; Holub, Daniel (referee) ; Kozáková, Zdenka (advisor)
This bachelor's thesis deals with the optimization of selected measurement parameters for soft tissue analysis using the laser-induced breakdown spectroscopy (LIBS) method. The SNR values (signal-to-noise ratio for spectral ion line Ca II 393,37 nm) were investigated by the LIBS technique for a combination of settings. For the analyses, a laser with a wavelength of 266 nm and a laser with a wavelength of 1064 nm, different values of laser pulse energy, gate delay and for different atmosphere in the ablation chamber (without and with argon purge) were selected. The best results were obtained by using a 1064 nm laser and with argon purge, which led to a significant improvement in SNR. The results of the work are useful for further analysis of soft tissues using the LIBS method.
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