Before revision: Mode of operation The surface of a LightScribe disc is coated with a reactive dye that changes color when it absorbs 780 nm infrared laser light.
After revision: 366x366px|Lightscibe laser tacking ring as seen on this DVD+RMode of operation The surface of a LightScribe disc is coated with a reactive dye that changes color when it absorbs 780 nm infrared laser light.