偏振片

Correlation between spin angular momentum s and background angular momentums of planets;2. In the paper the principle of optical rotation due to the transfer of spin angular momentum from light to particles was discussed by analyzing the interaction between the beam of light and birefringent crystal particles, and then an optical tweezers was formed on nanometer optical tweezers system with a linearly polarized light beam (He-Ne laser 633 nm, 10 mW).

从理论上分析了偏振光束与双折射晶体粒子的相互作用过程，讨论了由于光束自旋角动量向晶体粒子的传递所导致的光致旋转效应的原理，并在纳米光镊装置上利用线偏振He Ne激光器(633 nm，10 mW)形成了光镊光阱，利用1/4波片来改变光镊光束的偏振状态，在不同的椭圆偏振状态下实现了直径约为几微米的CaCO3 晶体微粒的捕获和光致转动。

As a professional manufacturer of Optical and crystal Components, Foctek supplies Quality Products including High Precision Prism, Lens, Filter, Window, Beamsplitter, Mirror, Quartz Waveplate, Polarizer, Depolarizer, Polarization Beamsplitter, Micro Optics, Laser Crystals and NLO Crystals and Magneto-Optical Material, etc.

福特科是一个专业的光学和晶体元件制造商，公司的产品主要包括高精度棱镜，透镜，光学窗片，滤波片，反射镜，分光棱镜，波片，偏振器，偏振分光棱镜，消偏振器，微光学元件，激光晶体，非线性光学晶体，磁光材料等。

The paper analyzes the change of the exit light from a circular polarizing filter used inversely according to the interference theory of polarized light, measures the spectral transmittance curves with the combining of circular polarizing filter and linar polarizing filter, and summarizes the photographic performance of the circular polarizing filter used inversely.

将圆偏振镜与线偏振镜组合，并使 1 4波片位于线偏振镜之间，测定出线偏振镜和圆偏振镜相对旋转至不同方位时的分光透过率曲线，探讨了入射光为线偏振光时出射光因偏振光的干涉而相应出现的强度和色度变化，并以此为模型，对圆偏振镜反向使用时的摄影性能进行研究和总结。

The method utilizes an optical device which consists of polarization control elements and polarization beam splitting pieces for realizing the multi-switching of polarization or non-polarization light; in a position sequence, one polarization beam splitting piece is arranged on a main optical path at the back surface of each polarization control element, thereby commonly constituting a 'single-pole double-throw' optical switch with a controller; the controller changes the polarization state of input light beams by driving the polarization control elements according to the control logic, and the input light beams are switched to any one path on an output channel through the polarization beam splitting pieces, thereby completing the designated optical information processing function.

利用偏振控制元件和偏振分束片两种光学元件组成的光学装置实现偏振或非偏振光的多路切换；在位置序列上，每个偏振控制元件后面主光路上放置一块偏振分束片，并和控制器共同构成一个'单刀双掷'光开关；控制器按照控制逻辑驱动偏振控制元件改变输入光束的偏振态，并通过偏振分束片将输入光束切换到输出通道上的任何一路，来完成指定的光信息处理功能。

To avoid reset,a polarization controller based on adjustable linear retarders using polarization controlling algorithm for rotatable plates was proposed and demonstrated.

提出由可变延迟波片按可转波片控制算法设计偏振控制器，以避免可变延迟波片偏振控制器所需的复位重置过程。

Orthogonally linearly-polarized lasers and its new applications in precision measurement are presented, including: 1 orthogonally linearly-polarized lasers, 2 principle for laser nanometer ruler (displacement sensor based on the competition between two polarized lights of the frequency splitting lasers), 3 principle for phase retardation measurement using frequency splitting technology, 4 principle for phase retardation measurement based on laser feedback effects.

介绍了正交线偏振激光器及其在精密测量中的新应用，包括：1 正交偏振双频激光器，2 纳米激光测尺(基于频率分裂的激光器两偏振光竞争位移传感器)测量原理，3 直接利用波片形成频率分裂的波片位相延迟测量原理，4 激光回馈波片位相延迟测量原理。

The phase modulation character changes with the rotation of two polarizers beside the LCD.

通过实验得到了液晶屏的相位调制深度相对于偏振片角度的变化情况。

Generally it needs polarizers and quarter-wave plates.

调节液晶屏前后的两个偏振片角度，液晶屏的调制特性也会随之改变。

The polarizers will gradually age along with usage. Their optical functions will descend gradually.

随着使用时间的延续，偏振片会老化，其性能也相应下降。

A two cell SBS phase conjugating mirror pumped by pulsed Nd∶YAG laser was experimentally investigated. After returned to YAG amplifer and coupled out by a polariser, SBS output beam had the characteristics of duration tunability and good quality with near diffraction limited far field divergence angle.

对脉冲Nd：YAG激光器抽运的双池受激布里渊散射相位共轭镜进行了实验研究，将相位共轭镜后向反射光束馈入YAG放大级，经放大级放大，由偏振片耦合输出的激光束具有高质量、脉宽可调的特点，远场发散角接近1倍衍射极限。

Singer Leona Lewis and former Led Zeppelin guitarist Jimmy Page emerged as the bus transformed into a grass-covered carnival float, and the pair combined for a rendition of "Whole Lotta Love".

歌手leona刘易斯和前率领的飞艇的吉他手吉米页出现巴士转化为基层所涵盖的嘉年华花车，和一双合并为一移交&整个lotta爱&。

This is Kate, and that's Erin.

这是凯特，那个是爱朗。