Patent ID: 7718922

Claim:
An optical processing apparatus comprising: a light source configured to produce light energy; a first optical path for guiding the light energy into a work; an optical device disposed in the first optical path for shaping the light energy; a second optical path sharing part of the first optical path for guiding the light energy from the work to a photo receiving device; a driving device configured to change the relative positions of at least the optical device and the work; and a judging part of plural different colors arranged at a position different from the work, wherein: the photo receiving device detects a color of the work, the photo receiving device detects the color difference between the color of the work and each of the plural different colors of the judging part, the driving device moves the optical device to the judging part of a color out of the plural different colors which is different from the detected color of the work, and the optical device shapes the light energy which is guided into the judging part.