我们提供常规和全息衍射光栅。
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。
A reflecting hologram diffraction grating was fixed to the stage to form a closed loop displacement measuring system.
摘要：从全息衍射光栅的制作原理出发，介绍了全息光栅的主要制作方法，并与刻划光栅对比分析了全息衍射光栅的诸多优点。
Abstract: in light of the manufacturing principles of holographic diffraction gratings, the paper presents a main method of manufacturing the holographic gratings.
本文提出了用等离子体蚀刻法提高浮雕全息光栅衍射效率的原理和方法。
The principle and method to improve the diffraction efficiency of relief holographic gratings by plasma etch is presented in this paper.
提出一种基于离散衍射光的全息光栅的带宽压缩算法。
Based on discrete diffraction light, an algorithm of holographic grating bandwidth compression is proposed.
实验中制作出了高衍射效率和信噪比的体积全息光栅和反射全息图。
The holographic volume gratings and reflection holograms having high diffraction efficiencies and signal noise ratio are also fabricated in experiment.
基于普物光学的双光束干涉和光栅衍射，定性分析全息照相。
A qualitative analysis of hologram with double beam interference and grating diffraction principles given in general physics is given.
体全息光栅的读出偏离布拉格条件时，衍射光方向的确定是体光栅耦合波理论中的一个重要问题。
When a volume holographic grating is readout under off-Bragg condition, determining the direction of the diffracted beam is an important issue in the coupled-wave theory of volume gratings.
将体全息光栅视为许多平面全息光栅的集合，利用平面全息衍射理论导出体全息光栅衍射的耦合波方程，并得到其衍射效。
And, using the planar hologram diffraction theory, the coupled wave equations of the volumetric hologram grating diffraction have been derived and the diffraction efficiencies obtained.
首先应用耦合波理论对体全息光栅的衍射效率以及角度选择性和波长选择性等衍射特性进行了分析。
First, the properties of volume holographic grating, such as diffraction efficiencies, Angle and wavelength selectivity, have been theoretically analyzed by using the couple-wave theory.
研究了不同偏振全息模式下基于交联偶氮苯聚合物薄膜的相位光栅的形成机理、衍射效率和偏振特性。
The forming mechanism, diffraction efficiency and polarization characteristic of phase gratings written in cross-linked azobenzene copolymer films under different holography modes were studied.
更具体地说，本发明涉及亚显微、全息、电子束、机械控制的或其它衍射和直线光栅。
More particularly, the present invention concerns sub-microscopic, holographic, electron beam, mechanically ruled or other diffraction or straight line gratings.
根据色散、衍射和成像原理，报道了以全息光栅-棱镜组件为色散元件的直视分光镜的光路设计和性能分析。
The optical design and performance analysis of a direct vision spectroscope are reported in terms of the dispersion, diffraction and image formation.
报道一种利用象差校正平场全息凹面衍射光栅作为分光和成象元件的平场多色仪，该多色仪具有谱面平直、使用波段宽、集光本领强、体积小等优点。
In this paper, the flat field polychromator (SPD - I) using an aberration - corrected flat fie1d holographic concave diffraction grating as both spectroscopic and oPtical imaging element is re-POrted.
指出全息菲涅耳透镜是一种特殊类型的光栅。分析并说明光栅的标量衍射理论是计算衍射效率的一种近似方法，因此它的应用是有限制条件的。
We show and illuminate that the scalar diffraction theory is an approximation method to calculate the diffraction efficiency of grating, and there are restrictions on its application.
摘要：基于有限电导率光栅的微分理论，对工作在紫外光区的全息正弦光栅和三角槽形光栅的衍射效率做了数值计算。
Abstract: Diffraction efficiency of Al-coated triangle and holographic sinusoidal grating used in UV region are calculated using the differential formalism of exact electromagnetic theory.
给出了紫外全息光栅的闪耀特性分布曲线并分析了三角槽形光栅顶角大小对衍射效率的影响。
The efficiency curves of blazed characteristic of sinusoidal grating is presented. And the influence of apex angle on diffraction efficiency of triangle grating is debated.
研究了非挥发全息记录中由于紫外光的强吸收而引起的光栅非均匀性，分析了这种非均匀性对光栅衍射效率的影响。
The grating non-uniformity of the nonvolatile volume hologram recording in doubly doped LiNbO_3(LN) crystals mainly caused by strong ultraviolet (UV) absorption is studied in detail.
研究了非挥发全息记录中由于紫外光的强吸收而引起的光栅非均匀性，分析了这种非均匀性对光栅衍射效率的影响。
The grating non-uniformity of the nonvolatile volume hologram recording in doubly doped LiNbO_3(LN) crystals mainly caused by strong ultraviolet (UV) absorption is studied in detail.
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