| 摘要 |
A laser system for directing an output laser beam onto a workpiece (46) such as an optical fiber. A laser source is provided for generating an input laser beam (20). A cylindrical housing (24) is supported for angular rotation within a main housing (12). The cylindrical housing (24) includes an input aperture at a first end for receiving the input laser beam and a reflecting mirror (30) at a second end for directing the input laser beam through an exit aperture (32). An annular mirror (34) is supported within the main housing (12). The annular mirror (34) receives the input laser beam directed through the exit aperture for generating the output laser beam which has an annular cross section. An angled mirror (36) is supported at the end of the main housing opposite the cylindrical housing to direct the beam to a focussing mirror (40).
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