空间相位 meaning in Chinese
space phase
space-phase
spatial phase
Examples
- Spatial phase shift
空间相位移动 - 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。 - 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。 - - 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。 - The hybrid method can simulate accurately both the imaging and polarization - dependent diffraction characteristics of a concave grating . to meet the growing need for flattened passband in a practical wdmsystem , three design methods , namely , the tapered output waveguide structure with air - slots , the three - focal - point method and the analytical method of spatial phase modulation , are introduced to achieve a passband - flattened diffraction grating device
针对实际光通信应用中对通带带宽的需求，本文提出了“结合空气槽的渐变输出波导结构方法” 、 “三焦点方法”及“显式公式空间相位调制法”三种使平面集成型衍射光栅波分复用器件获得平顶型频谱响应的优化设计方法。