diffraction grating
英 [dəˈfrækʃən ˈɡreɪtɪŋ]
美 [dəˈfrækʃən ˈɡreɪtɪŋ]
衍射光栅；绕射光栅
英英释义
noun
- optical device consisting of a surface with many parallel grooves in it
双语例句
- By means of trigonometric calculation, the intensity distribution of diffraction grating is obtained.
通过三角函数的计算，得到衍射光栅强度分布； - In the optoelectronic devices on the principle of measurement of spectral characteristics used to compare three scenarios: a diffraction grating, Fabry-Perot interferometer and the Michelson-type interferometer-type proceed.
在光电器件光谱特性测量的原理上采用了三种方案进行比较：即衍射光栅型、Fabry-Perot干涉仪型和Michelson干涉仪型进行了对比。 - Holographic diffraction grating of low spatial frequency is employed, and the simple off-axis holographic recording system and the method of eliminating zero-order image are presented, and experiments have been completed.
将低频全息衍射光栅引入数字全息系统中，提出一种简单的数字离轴全息光路系统和零级像消除的实验方法，同时进行了相应的实验研究。 - X-rays are used because they have the same wavelength as the atomic separations so the crystal acts as a molecular diffraction grating to diffract a beam of X-rays, producing a diffraction pattern that can be captured and analyzed.
之所以使用X射线是因为其波长和原子裂解时的波长一样，所以晶体作为分子衍射光栅衍射X射线，产生一种可以获取并分析的衍射图形。 - Optical Scattering Analysis of the Aberration of the Diffracted Wave of Two-dimensioned Reflection Grating The light is emitted by the laser diode and enters a diffraction grating.
二维反射光栅衍射畸变的光散射方法研究激光束从激光二极管中发出，射入衍射光栅。 - The concave diffraction grating on the film of PPTA is prepared by the double beam interference illumination.
利用PPTA薄膜在紫外光照下可硬化的特点，在薄膜上制备光栅进行研究并通过双光束干涉曝光法，制备了凹面光栅。 - A diffraction grating consisting of a pile of plates of equal thickness arranged stepwise with a constant offset.
由许多等厚度的金属盘组成的由梯状排列进行不断弥补的衍射光栅。 - Refraction Index Measurement of Transparent Materials by Using Diffraction Grating and CCD
用衍射光栅和CCD测量透明材料折射率 - Diffraction patterns of plane diffraction grating are obtained through computer analogy with VB program on screen.
通过计算机模拟的方法，用VB语言编写程序，运行后可在屏幕上模拟显示平面衍射光栅衍射图样，而且可以实现人机对话。 - When the laser beam goes through the diffraction grating, it is split up into a central bright beam plus a number of side beams.
当激光束射入衍射光栅后，被分成一个中间的明亮光束和一些处于旁边的光束。