| 1. | Radial - shear interferometer
径向剪切干涉仪 |
| 2. | Methods of testing plastics - mechanical properties - longitudinal and shear vibration - wave - propagation method
塑料试验方法.第3部分:机械性能.径向剪切震动.试验方法323e :波传播法 |
| 3. | The conclusion is that sheering and radial stress are dominant in viscosity shearing force , and that reynolds stress is larger than viscosity stress in turbulent flow , and the multiple is the reynolds number
由分析可知在粘性应力中，切向和径向剪切应力占主导地位；而在湍流条件下，雷诺应力是粘性应力的若干倍数，此倍数在量级上即为雷诺数。 |
| 4. | A new algorithin to be used to recontrict the distorted wavefront from its crsi ffinge pattem has been presented . it can be used to exactly explain the crsi funge pattem of an arbitrary wavefront . and the convergence of this algorithm was analyzed too
三、为实现任意波前的环路径向剪切干涉条纹图的解释，提出了一种新的波前重建算法，并对其收敛性进行了分析，数值计算和实验结果都证明了该算法的正确性。 |
| 5. | A cyclic radial shearing interferometer was used to diagnose the wavefront distortion of a laser system and an lcslm ( liquid crysnd spatial ligh modulator ) was used to control it . some results have been summarized as follows : l . according to the theory of scalar quanity diffeaction and the model of the random gaussian phase screen of low frequency wavefront , the effect of the low frequency wavefront with different rms gradient on the focal spot of a laser beam was studied
本论文在激光光束波前畸变检测和控制上进行了新的探索，主要就空间相位调制环路径向剪切干涉仪以及它对波前畸变的检测和液晶空间光调制器及其对中频段波前畸变的控制进行了研究，其研究的内容和取得的成果如下：一、根据标量衍射理论，结合低频波前畸变的高斯随机位相分布模型，研究了不同均方根梯度低频畸变波前对激光光束焦斑聚焦性的影响，并采用描述中频段波前畸变的功率谱密度概念，模拟计算了它对激光焦斑旁瓣的贡献。 |
| 6. | 7 . based on our crsi and algorithm and double lcslm , an adaptive optical hardware system which c & n be used to model arbitrary complicated wavefront and the compensation of the wavefront can be accomplished was built . and according to the characteristic of a crs interferogram of a step wavefront produced by an lctv , the pixel - level calibration of this system is implemented
七、采用已建立的空间相位调制环路径向剪切干涉仪及其波前重建算法，和位相调制持性已知的两块液晶空间光调制器，创建了一套用于模拟产生任意畸变波前并加以检测和反馈控制的自适应光学硬件系统，并通过台阶波前对该系统实现了像素级校准。 |
| 7. | Furthermore , the range of measurement of it was pointed out . all the analysis shows that our crsi 1il can be used to measure the spatial mid and low frequency wavefront distortion . 5 . based on our crsi and algorithm , the phase modulation characteristic of an lcslm was measured
五、利用环路径向剪切干涉仪共光路、双光束干涉的特点，全场准确测量了液晶空间光调制器的位相调制特性，并且利用它的位相调制特性实现了台阶位相板畸变波前的补偿，由此证明了液晶空间光调制器可用于控制波前畸变。 |
| 8. | - 2 . in order to accomplish the extraction measuremellt of distorted wavefront on specific plane of a laser beam , a crsi ( cyc1ic radial shearing interferometer ) based on relay imaging technique was built . the experiinental result on this crsi shows it can used to test the spatial mid and low frequency wavefront distortion
二、为了实现激光光束在确定平面上的波前畸变的准确检测，采用中继成像技术建立了一套基于空间相位调制的环路径向剪切干涉波前传感硬件系统，实验证明，它可用于中低频段波前畸变的检测。 |
| 9. | The control of the spatial mid frequency wavefront distortion was achieved based on our cri wavefront sensing and lctv wavefront correcting system . the results of our research show that crs interferometer can be used to diagnosing the mid and low frequency wavefront distortion of a laser beam and lcslm can be used to availably controlled it
通过以上研究，说明我们建立的环路径向剪切干涉仪可以用于icf激光驱动器的中低段波前畸变的检测，并且液晶空间光调制器可用于它的前级中存在的中频段波前畸变的校正。 |
| 10. | It shows that a disadvantag ekists when a crsi is used to measure a step structure in a wavefront , but it is useful to adjust a crsi system with lcslm . 4 . according to the didriction effect of an aperture , the spatial resolution of our crsi was analyzed and the transform function of our crsi was calibrated by using the psd method of a step wavefront . and some factors which are associated with the accuracy of our crsi were analyzed too
四、从光学系统衍射效应的角度分析了本文建立的环路径向剪切干涉仪的空间分辨率，并利用波前功率谱密度的概念对该干涉仪的空间频率响应特性进行了标定，分析了限制该干涉仪测量精度的主要因素以及径向剪切比与测量精度的关系，并指出了该干涉仪的测量范围，结果显示该干涉仪基本上可用于准确测量中低频段的波前畸变。 |
