| 摘要 |
PURPOSE:To avoid the mechanical resonance of a laser oscillator with disturbance non-predictable at the time of a design easily by detachably disposing a weight to a long shaft movable along the long shaft, altering the weight and position of installation of the weight and adjusting the natural frequency of the laser oscillator so as to avoid mechanical resonance with disturbance. CONSTITUTION:A weight 8 capable of mounting and dismantling and moving in the axial direction without overhauling and assembling a laser oscillator body fitted to a long shafts 2. The weight 8 is fixed easily in such a manner that members in which annulus rings fitted to the long shaft 2 are split into two and flanges 8a are formed at both ends of each part are fitted at the arbitrary positions of the long shaft 2 and bolts 11 are clamped. The positions and weight of the weight 8 are changed, thus adjusting the natural frequency of the laser oscillator. |
