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LIBS collection optics: comparative analysis of different mirror-based configurations

pubblicazioni - Poster

LIBS collection optics: comparative analysis of different mirror-based configurations

La presentazione descrive l’attività svolta in RSE riguardante lo sviluppo di un sistema LIBS (Laser Induced Breakdown Spectroscopy) per l’analisi in linea della composizione chimica del carbone in ingresso alle centrali termoelettriche alimentate con questo combustibile.

The presentation describes the work carried out by RSE relevant to the development of a LIBS (Laser Induced Breakdown Spectroscopy) system for the on-line analysis of the chemical composition of the coal used to feed coal fired plants. The study we present here is aimed at the optimization of the optical configuration to be used for the collection of the light signal emitted by the plasma generated by excitation laser pulses.

The study concerns the possibility of using a reflection optical system (which does not suffer from chromatic aberrations and allows for the use of quite large optical elements) instead of lenses and describes some results obtained through a procedure of ray tracing relating to three different optical configurations.

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