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
- The spectrograph uses a concave diffraction grating that provides a wavelength dispersion of 4. 2A °/ mm in the first order.
光谱仪用了一块凹面衍射光栅，第一级光谱的色散度为4.2埃／毫米。 - Research on Diffraction Grating Heterodyne Interference Measurement
衍射光栅外差干涉测量的研究 - As one of the important technical specifications of diffraction grating, diffraction wave front aberration directly affects the grating resolution.
波前像差是衍射光栅的重要技术指标，它直接影响光栅的分辨率。 - OSEE ( Optically Stimulated Exoelectron Emission) The light is emitted by the laser diode and enters a diffraction grating.
光激发外逸电子发射激光束从激光二极管中发出，射入衍射光栅。 - Calculation Methods for the SNR of Diffraction Grating Efficiency Measurement System
红外光栅衍射效率测量系统信噪比计算方法的研究 - A reflecting hologram diffraction grating was fixed to the stage to form a closed loop displacement measuring system.
固定在工作台上的全息衍射光栅实现了对工作台位移的高精度闭环检测。 - 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。 - Real-time wavefront reconstruction based on diffraction grating wavefront curvature sensor
基于衍射光栅曲率波前传感器的实时波前重构研究 - 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。 - In this paper, the author describes the experimental installation and the principle of using diffraction grating to determine the refractive index of solid and liquid.
本文叙述了利用光栅衍射法来测定液体和固体折射率的实验装置及原理。