VPG：体相光栅

英文缩写词VPG的例句

1. Physical mechanism of the origin of higher order diffraction beams of volume phase grating in photorefractive crystals is explored.
2. 本文探讨了在光折变晶体中写入体相位栅产生高阶衍射的物理机制。
3. First, describe the characters and the demultiplexing theory of the volume phase grating. Secondly, describe the theory and structure of the CCD, InGaAs image sensors, and compare some characters of them. 3.
4. 首先分析了体相位光栅特性及其分波原理，其次对CCD和InGaAs图像传感器的探测原理、结构等特性进行了描述和比较。
5. With the combination of WDM / SDM techniques, the interrogation system for the fiber grating sensing based on the InGaAs image sensor and volume phase grating may realize the measurement of the multi-points and multi-parameters.
6. 利用InGaAs图像传感器，结合波分复用、时分复用等技术，通过后端软件平台实现多点传感检测和多参量传感检测，并搭建了基于体相位光栅和InGaAs图像传感器的光纤光栅传感解调系统。
7. A sub-micron volume holographic phase grating was recorded and the tested diffraction efficiency is 90.6 %.
8. 完成了亚微米体全息相位栅的记录实验，并获得了90.6%的高衍射效率。
9. The diffraction efficiency of volume holographic phase grating of reflecting-type and transmitting-type is calculated, respectively. The influences on diffraction efficiency from the factors, such as the incident angle of recording beams, the thickness of grating and the applied electric field, are analyzed.
10. 分别对反射型和透射型体全息相位光栅的衍射效率进行了计算，分析了记录光入射角、光栅厚度和外加场强等参数对衍射效率的影响。