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PLAE process of Foturan glass. (a) Sketch of the proposed design (with two open reservoirs connected by an embedded channel) and laser irradiation using two-layer configuration; and (b,c) partial view by optical microscopy of the obtained structure after irradiation with the VIS laser followed by (b) thermal treatment and (c) chemical etching in 8% HF solution. The scale bar represents 0.5 mm.
