Patent ID: 6362455
Filing Date: 2002-03-26
Classification: B23K

Abstract:
A laser system for directing an output laser beam onto a work piece comprising:a main housing; a laser source for generating an input laser beam; a cylindrical housing supported for angular rotation within the main housing, the cylindrical housing having an input aperture at a first end for receiving the input laser beam and a reflecting mirror at a second end for directing the input laser beam through an exit aperture; an annular mirror supported within the main housing, the annular mirror receiving the input laser beam directed through the exit aperture for generating the output laser beam, the output laser beam having an annular cross section; an angled mirror supported at an end of the main housing opposite the cylindrical housing for receiving the output laser beam generated by the annular mirror; and an annular focusing mirror disposed at an output end of the main housing, the annular focusing mirror receiving the output laser beam from the angled mirror and directing the output laser beam onto the work piece.