| 摘要 |
The present invention relates to an apparatus ( 1 ) for generating a rotating laser beam ( 5 ) which may used for various applications including welding, cutting, drilling or ablation of materials. More particularly, the apparatus ( 1 ) according to the present invention is able to produce a fast rotating and accurate laser beam, because the main optical device ( 100 ) that is rotated consists of a first reflecting surface ( 102 ) rotating about an axis (X 1 ), a second reflecting surface ( 26 ) having an annular shape, wherein the first reflecting surface ( 102 ) redirects said laser beam in to the direction of the second reflecting surface ( 26 ), which reflects said laser beam towards said axis (X 1 ).
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