Arrangement for compensating for the excursion of a laser beam

Details Arrangement for compensating for the excursion of a laser beam Arrangement for compensating for the excursion of a laser beam

G - Physics

02

B

88/113

G02B 5/08 (2006.01) B23K 26/04 (2006.01) G02B 26/08 (2006.01) G02B 27/00 (2006.01)

Patent

CA 1233049

Abstract of the Disclosure The invention is directed to an arrangement for compensating for offset and angular errors of a laser coupled into a processing machine or measuring machine. The laser is mounted separately from the machine. The arrangement includes two adjustable mirrors by means of which the beam position at the coupling point is maintained constant. The corrective signal is generated by quadrant detectors cooperating with the adjustable mirrors arranged in the path of the laser beam. The detectors are arranged to receive rays of light diverted from the path of the laser beam. One of the detectors is preceded by a collimator causing the detector to respond only to angular errors. 14

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