Plastic identification is a key technology for recycling. Six different types of plastics are identified by a sensor with five wavelengths lasers. The new plastic recycling robots, which can sort plastics, are demonstrated at stores.
(280.0280) Remote sensing and sensors : Remote sensing and sensors
(300.0300) Spectroscopy : Spectroscopy
(300.6340) Spectroscopy : Spectroscopy, infrared
(280.4788) Remote sensing and sensors : Optical sensing and sensors
S. Kawata, K. Inada, T. Hirao, T. Fujita, and R. Aubuchon, "Plastic Identification Sensor with Five Wavelength Laser Diodes Used in Recycling Robot," in Frontiers in Optics 2010/Laser Science XXVI, OSA Technical Digest (CD) (Optical Society of America, 2010), paper FMC6.
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