Journal
SPECTROCHIMICA ACTA PART B-ATOMIC SPECTROSCOPY
Volume 123, Issue -, Pages 179-183Publisher
PERGAMON-ELSEVIER SCIENCE LTD
DOI: 10.1016/j.sab.2016.07.009
Keywords
Laser-induced breakdown spectroscopy; Collection optics; Online measure; Mirror; Ray tracing
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This paper deals with the study of the collection optics required by a LIBS system that has to perform on-line analysis of moving samples whose distance may vary during measurements. Main requirement of this system is to maintain good collection efficiency over a wide range of sample distances by using a fixed focus optical arrangement The selected configuration is based on the use of two spherical mirrors with the same curvature radius. Tests carried out on an experimental prototype are in good agreement with the previously performed simulations. (C) 2016 Elsevier B.V. All rights reserved.
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