偏振面

To assess the importance of quasar outflow we have performed a series of studies on broad absorption line quasars, and have obtained the following results.

为了确定外流的重要性，中国科学技术大学天体物理中心开展了宽吸收线类星体的一系列研究，取得了一些进展：(1)宽吸收线区的紫外吸收物质的柱密度比原来预计高出2个量级，低电离吸收线形成于饱和的高电离吸收线区；(2)射电宁静的宽吸收类星体吸收物质主要在赤道面，并且不同的源吸收物质分布情况很不相同，而在射电强的类星体中，赤道和极向外流都是可能的；(3)共振散射线偏振表明，外流物质携带角动量。

Finally, the values of the OAM of the beam light which have transmitted through the cylindrical lens are also calculated and the results are discussed.

利用傍轴近似计算了这两种偏振态光束通过一个柱面透镜后所具有的轨道角动量。

If the light permeation of polarimeter is not parallel or vertical to the incidence plane, the polarized light exists an angle of deflexion.

指出如果偏振片不与入射面垂直和平行，此时的偏振光存在一定角度的偏转，此时国内与国外仪器测定的结果是不同的。

The present invention discloses one kind of double micro polarizing free stereo imaging device and method. The device includes image plane, slit grating and double micro polaroid. The double micro polaroid sandwiches the slit grating, and the micro polaroid in the image plane side is between the image plane and the slit grating. The double micro polaroid consists of two adjacent lines of micro polarizing units, which are orthogonally arranged.

本发明公开了一种双微偏振式自由立体成像的装置及其方法，该装置包括图像面、狭缝光栅以及双微偏振片，其中双微偏振片是指上下两层微偏振片将狭缝光栅夹在中间，其中处于图像面一侧的微偏振片处于图像面与狭缝光栅之间；所述的微偏振片由相邻两列微偏振单元的透光轴方向相互垂直的微偏振单元周期性分布构成，即所谓"正交排列"；所述的狭缝光栅由等宽度的遮光条纹平行排列组成。

By computer simulation, we analyze the influence of the incidence plane, incidence angle and thickness of air gap on transmittance, and the dependence of the transmittance on wavelength is given in the spectral range which is required by the instrument system using Sellmeier dispersion equation. The transmittance of Grand-Taylor prism is tested in experiment, and the results are in good agreement with the theoretical results, so the correctness of the theory is verified.

论述了自行设计研制的偏振干涉成像光谱仪的工作原理，分析了其核心部件格兰-泰勒棱镜的分光机理；运用光线追迹方法，推导出了格兰-泰勒棱镜全视场角透过率计算公式；通过计算机模拟分析了入射面、入射角和空气隙厚度对该棱镜透过率的影响，并利用方解石Sellmeier色散方程，给出了该棱镜在仪器系统要求的光谱范围内透过率与波长的关系曲线；实验测试结果与理论计算公式相符，验证了理论公式的正确性。

Topics covered include, the properties of light and its interaction with mineral grains: reflection, refraction, polarisation, interference phenomena, extinction, colour and pleochroism. Refractometry inclusive isotropic, uniaxial and biaxial optics and the interpretation of interference figures. Transmitted light petrography in the identification and familiarisation with major rock forming minerals in grain mounts and thin section.

讲稿内容涉及到光学属性分析与矿物交叉面相互反应，具体内容有反射、折射、偏振、光干涉现象（包括等方性、单轴、二轴光学及干涉数据解释）、岩石记述学、矿物的光学属性鉴定等方面。

TE mode diffraction characteristics of surface-relief grating having different symmetrical profiles (rectangular, sinusoidal, triangle, trapezoidal profile) are calculated with rigorous second order vector couple-wave theory, the law of diffraction efficiency as a function of grating groove depth are analyzed: in a specific condition, diffraction efficiency might be close to 100%.

本论文采用严格的二阶矢量耦合波理论计算了矩形、正弦、三角形、梯形等对称面形蚀刻光栅的TE模偏振的衍射特性，分析了光栅的衍射效率随着沟槽深度变化规律。

By polarized FT-IR spectra and Grazing Incident-IR spectra the molecules in the LB films were found to show apparent dichromism.

掠角反射红外光谱与透射红外光谱比较及偏振红外光谱实验发现LB膜中分子取向表现出了明显的二向色性，显示在MⅢ和PⅠ的LB膜中介晶基取向趋于垂直于膜面，表面压力升高时更是如此。

The energy spectra of hot electrons have been measured using the magnetic spectrometers, fitted with the LiF thermoluminescent dosimeter which were calibrated using Cs~(137)γ-ray sources, in the interaction of a 130 mJ, 60 fs, 800 nm, 1∶10~(-6), 7.0×10~(17) W·cm~(-2) P-polarized laser incidence on Cu foil target at an angle of 45° with respect to the target normal without any prepulse.

在激光能量130mJ，脉宽60fs，波长800nm，对比度1∶10-6，激光与靶法线成45°夹角， P偏振，靶面激光峰值功率密度约为7.0×1017W·cm-2，无预脉冲的条件下，采用电子谱仪与经γ标准源标定的LiF热释光探测器相配合，测量了飞秒激光薄膜靶相互作用中产生的超热电子能谱。

However, as the name（read－only memory）implies, CD disks cannot be written onorchanged in any way.

然而，正如其名字所指出的那样，CD盘不能写，也不能用任何方式改变其内容。

Galvanizes steel pallet is mainly export which suits standard packing of European Union, the North America. galvanizes steel pallet is suitable to heavy rack. Pallet surface can design plate type, corrugated and the gap form, satisfies the different requirements.

镀锌钢托盘多用于出口，替代木托盘，免薰蒸，符合欧盟、北美各国对出口货物包装材料的法令要求；喷涂钢托盘适用于重载上货架之用，托盘表面根据需要制作成平板状、波纹状及间隔形式，满足不同的使用要求。