An circular radial shearing interferometer based on spatial phase modulation is proposed to measure the transient near infrared laser pulse wavefront with high precision.
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。
In addition to alternating phase difference between two aims of interferometer, the intensity of light of the interference fringes will vary in the same frequency, which is called as phase modulation.
当两相干光附加一按固定频率变化的相位差时，其干涉条纹的光强将随之交变，即为相位调制干涉。
We also analysed the influence of amplitude modulation and frequency (or phase ) modulation on Interferometer Direction Finder.
对三波道干涉仪测向结果不受幅度调制和频率调制（相位调制）的影响进行了数学分析。
The principle of fiber phase modulation is described clearly. The basic principium of fiber-optic acoustic sensor is vividly depicted based on the Michelson-type interferometer.
阐述光纤相位调制机理，结合迈克尔逊型干涉结构探讨光纤声传感的基本思想和原理。
Laser interferometer and grating of modulation light are used in the measuring system and the measuring data is processed by microcomputer.
该装置的测量系统采用了激光干涉仪和光调制光栅，并由微型机进行数据处理。
To decrease the effect of the intensity modulation of the LD on measurement accuracy, a novel LD-SPM fiber-optic interferometer is presented, and the theory of the interferometer is analyzed.
提出一种新的消除激光二极管正弦相位调制干涉仪中光强调制影响的干涉仪，给出了具体的理论分析。
A spatial modulation imaging spectrometer based on the Michelson interferometer is trial-developed successfully.
试制了一台基于迈克耳逊干涉仪的空间调制型干涉成像光谱仪原理样机。
A spatial modulation imaging spectrometer based on the Michelson interferometer is trial-developed successfully.
试制了一台基于迈克耳逊干涉仪的空间调制型干涉成像光谱仪原理样机。
应用推荐