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tlfamm
12-21-2018, 12:59 PM
"Steelworkers will be able to monitor in real time the temperature and chemical composition in molten metal furnaces, saving each steel plant up to 4.5 million a year, thanks to a new laser technology developed by a Swansea University spin-out company."


https://phys.org/news/2018-06-molten-steel-laser-experts-industry.html


A bit more info here. An essential component is a gas-swept tuyere through which the laser beam is projected, avoiding metallic accretions which made previous laser-based systems unreliable:

https://www.foundrymag.com/testingqc/real-time-laser-based-molten-metal-monitoring