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光学专业英语50句翻译(2)

(2006-11-04 17:18:31)
分类: 我的每一周

16. Equivalently, if the light wave is circularly polarized (the electric field precesses in corkscrew fashion as the wave moves along) the two contrary states of the spin would then correspond to the light wave's electric field precessing clockwise (in a "right-handed" way) or anticlockwise (in a"left handed" way).

同理,如果光波是圆极化的(波移动时电场以螺旋形进动),自旋的两种相反的状态对应于光波电场以顺时针“右手”或逆时针方向“左手”进动。

 

17.For the purposes of data processing a 0 or 1 bit can be associated respectively with vertical and horizontal polarizations or, equivalently, with clockwise or anticlockwise polarizations.

为了处理数据,0,1分别和垂直和水平或者,同理,和顺时针和逆时针相关联。

 

18.The ordinary forward momentum of a particle of light is equal to Planck's constant divided by the wavelength of the equivalent light wave.

通常光子的前向动量等于普朗克常数除光波长。

 

19.The orientation or phase of a minute hand on a clock is the amount by which the hand has swept around the clock face: a quarter past the hour, half past the hour, etc.

一个钟表的分针的指向或相位就是分针绕表面扫过的量:一刻钟,半小时等等。

 

20.When a light pulse is made to follow a closed loop path in real space, the phase of the returning beam might be slightly off from the phase of light starting off at that point.

当一个光脉冲在一个真实的空间里沿着一个封闭的圆环运动,当它回到出发点时,其相位与刚出发时的相位可能会有些微的不同。

 

21.This disparity (which can result in an interference effect) can be modified by changing the path length. It can also be modified by changing the path geometry.

这不同(能够导致干涉效应)能够通过改变路径长度而得到修正,也可以通过改变几何路径而实现。

 

22.In other words, regions of the light wave that are "synchronized" or in the same phase (such as the portions of the wave with maximum electric field) trace out corkscrew-like patterns in the direction that the light beam travels.

换句话说,就是这样一个区域,同步的光波或具有相同相位(比如具有最大电场的部分)沿光线传播方向描绘出螺旋形的图样。

 

23.Light beams can carry both spin and orbital angular momentum (OAM) associated, respectively,with circular polarisation and the helicity of their phasefronts.

光能携带自旋角动量和轨道角动量(OAM),它们各自与圆偏振和相前的螺旋性有关。

 

24. Light carrying OAM can be described in terms of Laguerre-Gaussian (LG) modes  which contain an exp(ilφ) phase term describing an on-axis phase singularity of strength l.

携带角动量的光能够用拉盖尔-高斯(LG)这个术语来描述。它包含一个exp(ilφ)相位术语,这个术语描述了长度为l的近轴相位奇点。

 

25. In addition to the number l, LG modes are characterised by their radial index p and their waist size w0.

除了l,LG模还可以用径向量子数P和腰长w0等特征参量来描述。

 

26. We encode and measure optical OAM via phase holograms. Phase holograms are typically designed to incorporate a spatially dependent phase retardation in the range 0 to 2π.

我们通过位相全息图来编码和测量轨道角动量,位相全息图在0到2π范围内合并空间独立相位延迟是具有代表性设计的。

 

27.Entanglement is one of the most puzzling and powerful properties of quantum theory and has received undiminished attention since the earliest days of quantum mechanics.

自从量子力学开创以来,纠缠是量子理论中最神秘最具强大特性的理论之一,媚力依旧。

 

28.Parametric down-conversion has proved a reliable tool for the generation of pairs of entangled photons 。

参量下转换已被证实成为产生一对纠缠光子的可靠的工具。

29.Here we will concentrate on a further entangled property, the orbital angular momentum of the two generated photons。

这儿,我们将进一步集中关注纠缠属性,还有两个产生的光子的轨道角动量。

 

30.The time entanglement arises from the energy conservation in the down-conversion process,which is expressed by the frequency matching condition.

时间纠缠来源于下转换过程中的能量守恒,下转换过程可以通过频率匹配条件来表示。

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