Br using double-beam-holography and phase-shifting-interferometry, the spherical wavefront is successfully retrieved According to the result, the phase-shifting-interferometry is studied.
用双光束再现全息和移相法相结合的位相测量方法,成功地再现了球面波位相分布,获得1/20周期(2π)的精度。
A two-reference phase-shifting method is used to meaisure temperature fieldin this paper.
提出了一种采用双参考光光路，并在再现阶段引入相移的方法来测量火焰温度场，克服了在记录阶段引入相移的不足，采用这种方法不仅可以测量准静态场，而且可以测量瞬态场。
Research of the reference-beam laser Doppler velocimeter
参考光束型激光多普勒测速仪的研究
The signal beam can be recreated by illuminating the medium with a beam identical to the original reference beam.
通过用和原始参考光相同的光束来照亮感光介质可以还原信号光。
This device splits the light beam into a measuring light beam and a reference light beam.
此设计把光束分成测量光束和参化光束。
Study on Laser Gyro Inertial Surveying and Attitude Reference Systems by Dynamic Constraint Analysis;
基于动态约束分析的激光陀螺惯性测量与姿态参考系统研究
The Derivation of the Relationship Between Beam Parameters and Media Parameters When Z Has Nothing to Do with the Amplitude
光束振幅与Z无关时光束参数与介质参数之间关系式的推导
Variational geometric constraints (VGC) are classified as self-referenced VGC, cross-referenced VGC and mating VGC.
定义了三类变动几何约束：自参考、互参考和配合变动几何约束；
Evaluation Method of Laser Beam Quality and Measuring System of Laser Beam Parameters
激光光束质量评价方法与光束特性参数测量系统
Properties of Apertured Bessel Beams
贝塞尔光束的特性及参量的影响(英文)
Deciding the Parameters of the Coupling System Using Lens;
高斯光束的透镜耦合系统参数的确定
On Detection Parameters of Eddy Flow of Stainless Steel Fiber Optic Bound Pipe
不锈钢光纤束管涡流检测参数的设计
The Relationship between the Diameter of a Gaussian Beam and the Parameter of a Radial Rotation Grating
高斯光束直径与径向旋转光栅参数间的关系
Studies of High-Power Laser Heat Effect Simulation and Laser Beam Description;
强激光热作用数值计算及光束参数表述的研究
Beam Control and Diagnostic Assistant Technical Research on High-Power Laser System;
强激光光束控制与参数诊断相关技术研究
Study on the Singular Value Decomposition on Laser Beam Quality Measure
激光光束质量参数测量中的奇异值分解
The relation is discussed between the shift of the point of maximum intensity on axis from the waist of focused Gaussian beam and the radius of the diffracted aperture, and the parameters of the Gaussian beam.
讨论了轴上点光强最大值相对会聚高斯光束束腰的偏移量同衍射孔径及高斯光束参数的关系。
Optics and optical instruments--Reference wavelengths
GB/T10050-1988光学和光学仪器参考波长
DOUBLE?BEAM CHOPPER WITH ADJUSTABLE REFERENCE TO THE OUTPUT DUTY RATIO
参考输出占空比可调的双光路斩光器
The Stokes parameters were determined by measuring the multiple beam diffraction intensity.
通过测量多光束衍射强度,确定了斯托克斯参量。