A coating removal apparatus utilizing a common optics path to provide laser pulses and light illumination to a coated surface. Reflected light resulting from the light illumination impinging the coated surface is directed to a photosensitive detector and analyzer. The reflected light is either sensed...http://www.google.ca/patents/US7800014?utm_source=gb-gplus-sharePatent US7800014 - Color sensing for laser decoating
