通过在每个像素上(构成画面的点)采用极小的镜片或衍射光栅,从线条发出的光被引导进入正确的眼睛。
The light from the lines is directed to the appropriate eye using either tiny lenses or diffraction gratings over each pixel (the dots of which the picture is composed).
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.
当介质的吸收不可忽略时,对于耦合较强的光栅,参考光尺寸的增大反而会引起衍射效率的下降。
However, for strongly-coupled gratings if the absorption of medium cannot be ignored, the diffraction efficiency decreases with widening of reference beam.
根据单轴晶体的折射率椭球,从理论上分析了光折变体光栅的衍射效率与读出光偏振态的关系。
According to the refractive index ellipsoid of uniaxial crystal, the relationship between diffraction efficiency of volume grating and polarization state of readout beam is theoretically analyzed.
通过光纤中的衍射光,这些光栅可以被看作三棱镜。
These gratings act as prisms by diffracting light within the fiber.
亚微米光栅型导光板通过光栅空频控制出射光方向、控制槽深调节衍射效率,达到导光板出射光强的均匀性。
The transmission angle is controlled by grating frequency and the diffraction efficiency is controlled by groove depth of sub-micro gratings to get uniformity of transmission filed.
本文讨论了瑞利散射光、拉曼散射光、漫散射光及荧光经光栅衍射而形成的高级次光谱的干扰。
The second order diffraction light of Rayleigh scattering light, Raman light, diffused light and the fluorescence diffracted from the grating have been discussed.
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.
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.
讨论了二维光栅光调制器阵列的表面弯曲度对衍射光学特性的影响。
The effect the diffractive optical characteristic by the surface bending of two-dimensional grating light modulator (GLM) is disaused.
针对TM和TE模的入射光,我们采用严格的耦合波原理对金属光栅的表面衍射场进行了计算。
The rigorous couple wave theory is used to quantitatively calculate the diffraction electromagnetic fields for TM-polarized and TE-polarized incident optical wave.
这种光栅具有较高的光谱分辨本领和衍射效率,而且光路简单,调节方便。
It has several advantages such as high diffraction efficiency, simple optical setup and convenient operation.
置一位相光栅于相干光学处理系统频谱平面,利用其零级与一级衍射光的相干迭加实现图象相减。
With a phase grating located at Fourier frequency plane, optical image subtraction is obtained as a result of the coherent superposition of the zeroth and the first order of the diffracted light.
基于夫琅禾费衍射理论,推导了平行光入射变栅距光栅后衍射光强的角度分布。
On the basis of Fraunhofer diffraction theory, the diffraction patterns of a Varied Line-space (VLS) grating were obtained for incidence beam in parallel and uniform.
采用四光路同时曝光,提高了光栅的衍射效率。
Adopting a method of four light beam exposure at the same time, the diffraction efficiency of the gratings is increased.
周期与入射波长同数量级的体积布喇格光栅的衍射效率,与入射线偏振光的偏振方向有关。
Diffraction efficiency of volume Bragg grating, whose period is in the same order as the incident wavelength, is related to the polarization direction of the incident linear polarized beam.
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.
沿光纤光轴传输到光纤倾斜端面上的光将被全反射,同时被光栅衍射。
The light propagating along the axis of the fiber incident on the angled end will be totally reflected and diffracted.
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.
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.
结果显示,非均匀性致使光折变光栅的平均强度减弱,衍射效率降低。
The average saturation space-charge field is small and the diffraction efficiency is low as a result of the non-uniformity of the grating.
结果显示,非均匀性致使光折变光栅的平均强度减弱,衍射效率降低。
The average saturation space-charge field is small and the diffraction efficiency is low as a result of the non-uniformity of the grating.
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