| 摘要 |
A capillary bore laser tube is constructed to have little or no power loss when subjected to relatively high shock loads during operation. A spider structure supports the free end of the capillary bore tube in an almost rigid manner against transverse movement of the free end with respect to the outer envelope or jacket of the laser tube so that high shock loads and vibration produce little or no permanent change in the radial alignment of the free end of the bore tube with respect to the other operating components of the laser tube. The spider structure is a disk shaped member which is rigidly attached at its outer periphery to the outer envelope and which is also rigidly attached at its inner periphery to the bore tube. The spider structure is sufficiently flexible in a longitudinal direction to accommodate differential thermal expansion resulting from the differences in temperatures between the bore tube and the outer envelope produced when the laser is energized for operation.
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