相位共轭光腔能消除腔内的波前畸变和介质扰动，从而能提高输出激光束的性能和质量。
Phase conjugate resonators offer the potential to increase laser output and improve beam quality by virtue of their ability to correct for severe intracavity aberrations.
论文给出了分析随机波前相位编码体光栅选择性衍射的一种方法。
A diffraction selectivity theoretical analysis method of volume gratings with wave front phase encoding is proposed.
动态波前相位信息测量是大气光学、气动光学和激光技术等领域的重要实验手段。
The data measurement of dynamic wavefront phase is an important experimental means for atmospheric optics, aero optics and laser technique.
提出了一种具有高的时间和空间分辨率以及长的测量持续时间的动态波前相位测量方法。
A dynamic wavefront phase measurement with the features of high temporal and spatial resolution, and long measuring lasting time was proposed.
从光的菲涅耳衍射、波前相位重构入手，对连续信号进行了离散化处理，给出了数值计算公式。
The formula of numerical computing is presented with discretion for Fresnel diffraction and phase numerical reconstruction of wave front.
提出了一种基于空间相位调制技术可用于近红外瞬态波前高精度检测的环形径向剪切干涉仪。
An circular radial shearing interferometer based on spatial phase modulation is proposed to measure the transient near infrared laser pulse wavefront with high precision.
研制了一套相位光栅型波前曲率传感器。
The wavefront curvature sensor comprising a phase defocus grating is designed and fabricated.
相位变更（PD）方法是一种基于两个或多个不同离焦面图像来恢复光瞳畸变波前相位的光学波前传感技术。
Phase diversity(PD)is a kind of wavefront sensing technique based on the measurement of two or more object images.
在高功率激光系统，激光束小尺度相位畸变波前探测是实现激光束中频段波前补偿与控制的重要前提。
In high power laser system, a small size phase-distortion wavefront measure is necessary to compensate and control the wavefront of laser beam with intermediate frequency.
粗糙面反射光的波前失真由相位共轭修复。
The distorted wave front of the light diffusely reflected from the rough surface is reconstructed by phase conjugation.
在自适应光学系统中，波前拟合误差直接影响到相位校正器的校正效果。
In the adaptive optical system, the fitting errors of wavefront impact correct effect of phase corrector directly.
人们正在尝试着利用液晶的电光效应以各种方式来进行光波的波前调制或将波前离散化之后的相位调制。
Now, people are trying to use various methods, including the electro-optics effect of LC, to modulate the wavefront of light or modulate its phase after scattering the wavefront.
人们正在尝试着利用BSO晶体的电光效应以各种方式进行光波的波前调制和相位调制。
Now, people are trying to use various methods, including the electro-optics effect of BSO, to modulate the wavefront of light or modulate its phase.
提出一种剪切干涉测量中实现由相位差分准确高效恢复被测波前相位的算法。
A phase recovery algorithm with improved accuracy and efficiency is proposed for test wavefront phase recovery from obtained phase differences in shearing interferometry.
在采用冻结湍流假设和几何光学近似的条件下，得到了经自适应光学系统校正后的剩余波前相位扰动的结构函数。
The structure function of residual wavefront phase perturbation compensated by an adaptive optics system has been derived by means of frozen turbulence hypothesis and geometric optics approach.
模拟研究结果表明，相位差法可以较准确的恢复出波前相位，并且最优化的离焦波面差为一个波长。
Simulation results show phase-diversity method can accurately retrieve the wavefront and defocusing of one wavelength is optimal.
非螺旋相位片将一个光漩涡引入高斯光束，螺旋相位片调节光束径向波前相位分布。
The nonspiral phase plate introduces phase singularity to the incident beam, and the spiral one adjusts the radial phase distribution.
该方法主要是利用多个图像采集装置同时采集的一对或者多对短曝光图像，对目标和光瞳上的波前相位分布进行估计。
The method uses an ensemble of short-exposure images obtained simultaneously from multiple cameras to jointly estimate the object and the wavefront distribution on pupil.
通过计算各相位角畸变波前的平均值，并将其共轭波前作为相应时刻的校正信号应用于畸变波前的自适应校正。
By computing the time-averaged wavefront, the adaptive conjugate correction wavefronts are achieved. Then the conjugate wavefronts are applied to correct the corresponding aberration wavefronts.
选择合适的滤波函数是瞳面相位差波前传感器成功实现的关键。
An appropriate filter function is the key to successful wavefront retrieval for the wavefront sensor based on pupil phase diversity.
介绍了一种几何方法，从整个接收面上的相位起伏分布出发，构造了波前的空间几何形态，从而计算出整个接收面上到达角起伏分布。
In this paper, based on the known phase distribution on the receiver plane, the geometric shape is constructed to calculate the angle-of-arrival distribution.
建立了拼接检测计算的模型。利用最小二乘法计算得到拼接参数，从而恢复大口径光学元件的全孔径波前相位分布。
The calculation model is established based on the theory of the least-square method, and a set of testing equipment is designed.
建立了拼接检测计算的模型。利用最小二乘法计算得到拼接参数，从而恢复大口径光学元件的全孔径波前相位分布。
The calculation model is established based on the theory of the least-square method, and a set of testing equipment is designed.
应用推荐