The light heterodyne technique is used.
移相干涉术是一种高精度、高灵敏度的光学测试方法，极易受外界振动的影响，为解决光干涉测试中的振动问题，本文在比较了国内外干涉抗振技术后，提出了采用光外差干涉测量振动，以PZT为振动补偿元件的主动抗振方案；详细讨论了抗振方案的原理、电路系统的设计制作、DSP的程序编制；最后进行了抗振实验。
The red and green lights are written into the LiNbO3 crystal with different Fe thickness by the double light beam intervene method.
利用双光束干涉在不同掺Fe浓度的LiNbO3晶体中分别用红光和绿光写入光子晶格,研究了晶格周期Λ、掺Fe浓度、光波波长λ与光致折射率调制度Δn之间的关系。
Application of the Principle of Two-beam Interference in the Monitoring of Concentration of Gaseous Methane;
双光干涉原理在检测甲烷气体浓度中的应用
Study of Two Kinds of Double Beam Interference Optical Fiber Sensor;
两种双光束干涉型光纤传感器的研究
Fabricating Micro-grating Structures on Nickel Using Interference Laser
镍金属表面双光束激光干涉直写研究
An experimental double-beam and double-exposure interference photolithographic system has been established.
建立了双光束双曝光干涉光刻实验系统。
This grating interferometer uses grating as beam splitter, and behind the grating two beams interfere with each other.
本光栅干涉仪用光栅作为分束器,使双光束发生干涉。
Two-Exposure Holographic Inteferometry Based on CCD/LCD Device;
基于CCD/LCD的双曝光全息干涉术
Elementary Introduction to Wave-Particle Duality of Light from young s Interference;
由双缝干涉实验浅谈光的波粒二象性
Study on the Signal Processing System of a Dual-frequency Laser Interferometer with Two Longitudinal Modes;
双纵模双频激光干涉仪信号处理系统的研究
Study of High Measuring Speed Dual-frequency Laser Interferometer System with Two Longitudinal Modes;
高速双纵模双频激光干涉仪系统的研究
Signal processing system of dual-frequency laser interferometer with two longitudinal modes based on AD8302
基于AD8302的双纵模双频激光干涉仪信号处理系统
Interference Fringes Visibility of the Dual-Beam Light with Gaussian Frequency Spectrum Distribution
高斯型频谱分布光源下双光束干涉可见度
Spectral anomalies of Young's double-slit interference experiment with vortex beam
涡旋光束经杨氏双缝干涉后的光谱变化
The Test Studys of Diffraction and Interferences in Three-dimensional Space;
三维空间单缝衍射、光栅衍射、双缝干涉和N缝干涉实验研究
Measuring Method for Topography of DOE Based on Dual-Path Two-Wavelength Phase Shifting Interferometric Microscopy
双光路双波长相移干涉显微法测量衍射光学元件形貌
THE MEASUREMENT OF TEMPERATURE FIELD OF NATURAL CONVECTION THE FLAT PLATE WITH THE LASER DOUBLE-MIRROR INTERFEROMETER (LDMI)
用激光双镜干涉仪测量自然对流的温度场
Design and Theory Research on Dual-Mode Interferometric Optical Voltage Transformer;
双模干涉式光学电压互感器的设计与理论研究
The Preliminary Study on Dual Frequency Laser Interferometer with Mid-frequency Difference;
中频差双频激光干涉测量系统的初步研究
Probing into a Few Ways to Measure Light Wavelength with Biprism Interference;
用双棱镜干涉测量光波波长的几种方法探讨