| 1. | Measurement of the effective focal spot size for industrial x - ray apparatus 工业用x光射线仪有效焦点尺寸的测量 |
| 2. | Non - destructive testing - characteristics of focal spots in industrial x - ray systems for use in non - destructive testing - measurement of the effective focal spot size of mini and micro focus x - ray tubes 无损检验.无损检验用工业x射线系统的焦点特性.小型和微型聚焦x射线管有效焦点尺寸测量 |
| 3. | Non - destructive testing . characteristics of focal spots in industrial x - ray systems for use in non - destructive testing . part 5 : measurement of the effective focal spot size of mini and micro focus x - ray tubes 无损检验.无损检验用工业x射线系统中焦点的特性.第5部分:最小和最大聚焦x射线电子管的有效焦点尺寸的测量 |
| 4. | To ensure the beam quality reach the requirement of high efficiency third harmonic conversion and small focal spot size , the correction of wave - front aberration had to be considered in the design of high power solid - state laser facility 在高功率固体激光系统总体设计中,为了使光束质量满足高效率三倍频和小孔进腔打靶的要求,必须对激光的波前畸变进行校正。 |
| 5. | The relationship between wave - front aberration and focal spot size was researched roundly , and the essential connection between focal spot energy shape and wave front gradient distribution was discovered , and a smarter parameter to evaluate wave front aberration was founded . based on this , the wave front aberration tolerance confined by focal spot size requirement was obtained through calculation and statistics method . 2 比较全面地分析了系统内部波前误差与光束焦斑尺寸之间的关系,找到了波前梯度分布与焦斑能量分布之间的本质联系,提出了一个与焦斑尺寸关系最密切的波前误差参数,并采用数值模拟和统计的方法得到了焦斑尺寸限制条件所要求的波前误差限制条件; 2 |
| 6. | 5 . otherwise , the applicability of cube comer array in the wide spectrum high power solid - state laser facility was researched as a relatively absolute part in this paper . through simulation , the action of cube corner array to reduce beam ' s focal spot size was testified visibly , and the smoothing effect of beam ' s modulation caused by cube corner array was proved primarily on the wide spectrum condition 另外,作为一部分相对独立的内容,本文对宽频带激光传输条件下采用角锥棱镜阵列抑制低频波前畸变的设想进行了探索性的研究,通过仿真模拟验证了角锥棱镜阵列具有抑制低频波前畸变、提高激光焦斑能量集中度的显著作用,并初步验证了宽频带激光传输条件下近场振幅高频调制的匀滑效应。 |