| 摘要 |
PURPOSE:To provide a joint reflecting mirror in which a reflecting point is never changed even when the angle of a flat mirror is changed, and the optical axis of the reflected light can easily be conformed with a desired one. CONSTITUTION:When the angles of reflecting mirror parts 11, 12 are changed by reflecting angle regulating mechanisms 141, 142, 143, the reflecting mirror parts 11, 12 changes their mirror surface angles while the spherical surfaces are slid on a mirror support part 16. Thus, the laser beam IN entered to the spherical center of the spherical surface on the mirror surface is reflected without changing a reflecting point RR to form a reflected light OUT. |
