NDLI: Influence of process parameters on the distribution of single shot correlation coefficients obtained by correlating LIB-spectra

Content Provider	Springer Nature Link
Author	Lentjes, M. Dickmann, K. Meijer, J.
Copyright Year	2007
Abstract	Laser induced breakdown spectra can be seen as fingerprints of a material. The reproducibility of the measurements depends on several parameters. Linear correlation analysis is one method to compare spectra with a reference spectrum. When capturing n spectra of a material under the same condition and correlating the spectra with the same reference spectrum, the result leads to n correlation coefficients. The distribution of the correlation coefficients depends on the applied parameter settings. This paper presents a systematic study of the influence of different process parameters on the variance and mean of correlation coefficients. The results are presented as correlation coefficient distributions versus setting for each investigated variable. The investigated variables are: pulse energy, delay time, integration time, grating groove density, object lens distance deviation and crater depth. The results indicate that the researched parameters have an indirect and/or direct influence on the distribution of correlation coefficients.
Starting Page	661
Ending Page	666
Page Count	6
File Format	PDF
ISSN	09478396
Journal	Applied Physics A
Volume Number	88
Issue Number	4
e-ISSN	14320630
Language	English
Publisher	Springer-Verlag
Publisher Date	2007-05-17
Publisher Place	Berlin, Heidelberg
Access Restriction	One Nation One Subscription (ONOS)
Subject Keyword	Operating Procedures, Materials Treatment Surfaces and Interfaces, Thin Films Characterization and Evaluation of Materials Nanotechnology Optical and Electronic Materials Condensed Matter
Content Type	Text
Resource Type	Article
Subject	Chemistry Materials Science

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