1. A material used to remove buffers, coatings, and claddings from a dielectric waveguide, such as an optical fiber. 2. A device or scheme used to remove cladding modes from a dielectric waveguide, such as an optical fiber. See cladding-mode stripper,  fiber optic mode stripper. See also buffer,  cladding,  cladding mode,  coating,  device,  dielectric waveguide,  information systems security,  mode,  optical fiber. 3. In a duplicator, a device that separates the data medium, such as a sheet of paper, from the printing mechanism. See also data medium,  device,  duplicator,  print,  sheet.