NOVOTNÝ, Karel, Aleš HRDLIČKA, Eva POSPÍŠILOVÁ, Jakub PÍŠE, Pavel POŘÍZKA and Jozef KAISER. Normalization of LIBS spectra using acoustic and total emission signal. Online. In CSI XL - IX EMSLIBS. 2017, [citováno 2024-04-23]
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Basic information
Original name Normalization of LIBS spectra using acoustic and total emission signal
Authors NOVOTNÝ, Karel (203 Czech Republic, guarantor, belonging to the institution), Aleš HRDLIČKA (203 Czech Republic, belonging to the institution), Eva POSPÍŠILOVÁ (203 Czech Republic, belonging to the institution), Jakub PÍŠE (203 Czech Republic, belonging to the institution), Pavel POŘÍZKA (203 Czech Republic) and Jozef KAISER (203 Czech Republic)
Edition CSI XL - IX EMSLIBS, 2017.
Other information
Original language English
Type of outcome Conference abstract
Field of Study 10400 1.4 Chemical sciences
Country of publisher Italy
Confidentiality degree is not subject to a state or trade secret
RIV identification code RIV/00216224:14310/17:00099877
Organization unit Faculty of Science
Keywords in English Acoustic signal; Signal normalization; LIBS
Tags NZ
Tags International impact
Changed by Changed by: Ing. Nicole Zrilić, učo 240776. Changed: 15/5/2018 08:38.
Abstract
Since that laser-induced plasma emission is extremely dependent on the initial conditions, significant fluctuations occur even with constant parameters and a strict control of the experimental setup. Laser-Induced Breakdown Spectroscopy (LIBS) signal intensity suffers from the specific influences resulting from the laser ablation and plasma processes which affect the accuracy and precision of analytical result. To improve reproducibility and accuracy utilization of alternative normalization procedure based on plasma monitoring is possible. In our study for careful correction of the pulse -to- pulse changes of sampling parameters acoustic and total emission were used. Correlation between total optical emission and acoustic signal is demonstrated and effect of the laser pulse energy, focusing and nature of sample is discussed. Normalization of LIBS spectra using acoustic and total emission signal in bulk analysis, depth profiling and surface mapping is presented.
Links
ED1.1.00/02.0068, research and development projectName: CEITEC - central european institute of technology
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