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Waves on the molten material flowing along the cutting edge during laser cutting of glass (Processing conditions: Laser power P = 1400 W, cutting speed vc = 1400 mm/min, conical nozzle, nozzle diameter d = 2 mm, stand-off Z = 1.5 mm, assist gas: argon, supplying pressure p = 8 bar). Reprinted with permission [57]; Copyright 2011 IOP Publishing.
