| 摘要 |
A manual manipulator mechanism for a surgical or industrial laser employs reflecting mirrors 1, 3 each rotatable about two perpendicular axes, to thereby reduce the total number of mirrors required and simplify the overall mechanism. Optical alignment is maintained by a linkage arm and yoke arrangement which is fully rotatable about a first axis, and which causes the controlled mirror to pivot through an angle one-half as much as the laser beam outlet tube 13 pivots about a second axis. The linkage arms may be replaced by a gear or friction wheel mechanism.
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