B - Operations – Transporting – 23 – K
Patent
B - Operations, Transporting
23
K
33/32, 327/1.3
B23K 26/04 (2006.01)
Patent
CA 1277831
ABSTRACT OF THE DISCLOSURE The invention relates to a system for aligning a high-power laser apparatus to transmit a high-power beam along an optimum beam path to an adjustable remote beam receiver and for aligning the beam receiver for optimum reception of the high-power beam. A low-power visible laser is directed along the path to be followed by the high-power laser and a viewer such as a video camera is used for rough alignment. A pellicle, a partially reflect- ing mirror, and three low-power beam detectors are used with the low-power laser to align the beam transmitter with the beam receiver. Alignment of the beam receiver with the beam transmitter is checked by a high-power laser beam alignment checking system. This alignment checking system employs an annular beam detector mounted near the beam transmitter and a second beam detector mounted near the beam receiver. A beam intensity reducer is used to reduce the intensity of the high-power beam for use in alignment since prolonged direct contact by a full-power beam with the detectors would damage the detectors. A method for aligning the laser beam transmitter and receiver is also described.
527799
Hawkins Phillip Joseph
Kasner William Henry
Toth Vincent Andrew
Bereskin & Parr
Westinghouse Electic Corporation
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