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LIBS analyses for industrial applications – an overview of developments from 2014 to 2018
Journal of Analytical Atomic Spectrometry ( IF 3.1 ) Pub Date : 2018-05-11 00:00:00 , DOI: 10.1039/c8ja00076j Reinhard Noll 1, 2, 3, 4, 5 , Cord Fricke-Begemann 1, 2, 3 , Sven Connemann 1, 2, 3 , Christoph Meinhardt 2, 3, 4, 5 , Volker Sturm 1, 2, 3
Journal of Analytical Atomic Spectrometry ( IF 3.1 ) Pub Date : 2018-05-11 00:00:00 , DOI: 10.1039/c8ja00076j Reinhard Noll 1, 2, 3, 4, 5 , Cord Fricke-Begemann 1, 2, 3 , Sven Connemann 1, 2, 3 , Christoph Meinhardt 2, 3, 4, 5 , Volker Sturm 1, 2, 3
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Measuring distances in the range between a few centimetres and a few metres are of special interest for automated industrial LIBS applications. They allow for a reliable optical access to measuring objects in a process line under harsh industrial environments. In that range a compromise can be found between the conflicting requirements with respect to the protection of the optics facing the measuring object on one side, and sufficiently high laser irradiance and high receiving solid angle of the measuring radiation on the other side. A concise overview about LIBS studies published in the last four years focusing on industrial applications or perspectives therefore is given. Recent R&D activities in the field of automated LIBS for industrial applications are presented focusing on the following application cases: (a) combined use of inline measured 3D geometry information and LIBS analyses for high-speed sorting tasks of piece goods; (b) sorting of refractories; (c) identification of steel blooms in a rolling mill; (d) inverse production scenario for the recovery of valuable materials from end-of-life electronic equipment. For measuring distances of only a few centimetres the size of a LIBS instrument can be downscaled significantly allowing to set up handheld LIBS analysers. Whereas the precursors of such concepts were studied already more than fifteen years ago, quite recently a competitive market arose where various models of handheld LIBS systems are offered. Industrial application fields are mainly positive material identification of metals and sorting of light metal scraps for recycling purposes. A comparative synopsis of features of these LIBS systems will be presented and arising research themes in this context are outlined.
中文翻译：
LIBS工业应用分析– 2014年至2018年的发展概况
对于自动化工业LIBS应用而言，测量几厘米至几米范围内的距离尤为重要。它们允许在恶劣的工业环境中以可靠的光学方式访问生产线中的测量对象。在该范围内，在关于在一侧面对测量对象的光学器件的保护的冲突要求与在另一侧上足够高的激光辐照度和测量辐射的高接收立体角之间可以找到折衷。简明扼要地概述了最近四年发表的LIBS研究，重点是工业应用或观点。介绍了针对工业应用的自动LIBS领域中的最新研发活动，重点是以下应用案例：（a）结合使用在线测量的3D几何信息和LIBS分析来完成计件货物的高速分拣任务；（b）耐火材料的分类；（c）识别轧机中的钢坯；（d）从报废电子设备中回收有价值材料的逆向生产方案。对于仅几厘米的测量距离，LIBS仪器的尺寸可以大大缩小，从而可以安装手持式LIBS分析仪。早在15年前就已经研究了这种概念的前身，但是不久之后，出现了竞争激烈的市场，其中提供了各种型号的手持式LIBS系统。工业应用领域主要是金属的积极材料识别和轻金属废料的分类，以供回收利用。
更新日期：2018-05-11
中文翻译：
LIBS工业应用分析– 2014年至2018年的发展概况
对于自动化工业LIBS应用而言，测量几厘米至几米范围内的距离尤为重要。它们允许在恶劣的工业环境中以可靠的光学方式访问生产线中的测量对象。在该范围内，在关于在一侧面对测量对象的光学器件的保护的冲突要求与在另一侧上足够高的激光辐照度和测量辐射的高接收立体角之间可以找到折衷。简明扼要地概述了最近四年发表的LIBS研究，重点是工业应用或观点。介绍了针对工业应用的自动LIBS领域中的最新研发活动，重点是以下应用案例：（a）结合使用在线测量的3D几何信息和LIBS分析来完成计件货物的高速分拣任务；（b）耐火材料的分类；（c）识别轧机中的钢坯；（d）从报废电子设备中回收有价值材料的逆向生产方案。对于仅几厘米的测量距离，LIBS仪器的尺寸可以大大缩小，从而可以安装手持式LIBS分析仪。早在15年前就已经研究了这种概念的前身，但是不久之后，出现了竞争激烈的市场，其中提供了各种型号的手持式LIBS系统。工业应用领域主要是金属的积极材料识别和轻金属废料的分类，以供回收利用。
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