Visible light (left) | SWIR 365 nm (right):
Inspection and differentiation of transparent plastic materials in the recycling process
(1) PET (polyethylene terephthalate)
(2) PC (polycarbonate)
(3) PMMA (polymethyl methacrylate; acrylic glass)
(4) PVC (polyvinyl chloride)
Pictures: Sony Semiconductor Solutions Corporation