LIBS imaging as a process control tool in the cork industry

Miguel F. S. Ferreira; Rafaela Oliveira; Diana Capela; Tomás Lopes; José Marrafa; Pedro Meneses; Armindo Oliveira; Carlos Baptista; Tiago Gomes; Sérgio Moutinho; José Coelho; Raquel Nunes da Silva; Diana Guimarães; Nuno A. Silva; Pedro A. da Silva Jorge

doi:10.1117/12.3017268

20 June 2024 LIBS imaging as a process control tool in the cork industry

Miguel F. S. Ferreira, Rafaela Oliveira, Diana Capela, Tomás Lopes, José Marrafa, Pedro Meneses, Armindo Oliveira, Carlos Baptista, Tiago Gomes, Sérgio Moutinho, José Coelho, Raquel Nunes da Silva, Diana Guimarães, Nuno A. Silva, Pedro A. da Silva Jorge

Author Affiliations +

Proceedings Volume 12999, Optical Sensing and Detection VIII; 1299919 (2024) https://doi.org/10.1117/12.3017268
Event: SPIE Photonics Europe, 2024, Strasbourg, France

Abstract

The application of surface treatments to cork stoppers is presently a common practice in the wine industry, designed to achieve maximum performance and optimal costumer experience of premium products. Unfortunately, current coating techniques lack efficient process control tools, often resulting in faulty products being detected too late, already in use, compromising performance, product quality and mining consumer confidence. In this work a fully automated system equipped with machine vision and automatic feeding of corks, was coupled with an imaging LIBS setup and used to perform a benchmarking against conventional quality control methods. Results clearly demonstrate the capability of the new LIBS system to effectively evaluate in real time the quality of silicone-based surface coatings in cork stoppers, effectively working as a tool for process control providing a route for effective optimization.

Conference Presentation

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Miguel F. S. Ferreira, Rafaela Oliveira, Diana Capela, Tomás Lopes, José Marrafa, Pedro Meneses, Armindo Oliveira, Carlos Baptista, Tiago Gomes, Sérgio Moutinho, José Coelho, Raquel Nunes da Silva, Diana Guimarães, Nuno A. Silva, and Pedro A. da Silva Jorge "LIBS imaging as a process control tool in the cork industry", Proc. SPIE 12999, Optical Sensing and Detection VIII, 1299919 (20 June 2024); https://doi.org/10.1117/12.3017268

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