• In the measurement of the temperature of cold atoms, one needs to turn off the magnetic field and the light field in a very short time (less than several milliseconds).

    在冷原子温度测量中需要在较短时间内(最长不超过几个毫秒)迅速关断俘获冷原子的磁光阱(包括磁场和光场)。

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  • Experiment plan on emerging multimode squeezing light field was advanced.

    提出了产生多模压缩态光场的实验方案。

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  • The characteristic of LED light field via tapered POF was investigated systemically.

    对LED经锥形塑料光纤输出的光场特性进行了研究。

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  • Then state function of SPDC biphoton light field was derived and a probability explanation was given.

    推导自发参量下转换双光子态的数学表达式,并给出其几率解释。

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  • If the noise of a component of a light field is below the shot noise, the light field is the squeezed field.

    如果光场的某一分量噪声低于散粒噪声,这个光场就是压缩态光场。

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  • The numerical results about the photon statistics of the chaotic light field in third-harmonic generation are given.

    数值分析了三次谐波系统在混沌状态下光场的统计特性。

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  • The effects of transverse distribution of light field on CO2 laser instabilities are studied by means of light feedback.

    利用光反馈研究了光场横向分布对CO_2激光器不稳定性的影响。

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  • However, an increase of squeezing factor of light strengthen the degree of entanglement between the atoms and the light field.

    而随着压缩参量的增大,原子与光场的纠缠度逐渐增大。

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  • We have studied fidelity of two-level atom interacting with nonlinear coherent state light field by numerical calculation method.

    借助于数值计算的方法,研究了非线性相干态光场与一个二能级原子的相互作用系统保真度的变化规律。

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  • Fiber coupled laser diode output light field has many features: first, the fiber coupled laser diode output light is monochromatic.

    光纤耦合半导体激光器输出光场有许多特征:第一,光纤耦合半导体激光器的输出光具有单色性。

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  • Then we study the accuracy of Kirchhoff's approximation in the scattering of light field from the random self-affine fractal surface.

    在此基础上,对采用基尔霍夫近似进行自仿射分形随机表面的散射光场数值计算的精确程度进行了研究。

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  • The intensity distribution of parallel light field produced by paraboloid reflector is analysed and its measured result is introduced.

    本文从理论上分析了抛物面反射镜产生平行光场的光强分布规律,并介绍了实际测量结果;

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  • The experimental result indicated that it is still satisfying to obtain the light field with this method even if the speckle noise is very heavy.

    实验结果表明,即使在散斑噪声很大的情况下用该方法得到的光场依然是令人满意的。

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  • Aim To study the higher-power amplitude squeezing properties of the four-state superposition multimode functional superposition state light field.

    目的研究四态叠加多模泛函叠加态光场的高次振幅压缩特性。

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  • The atomic population evolution vs. time in the system of two two-level coupling-atoms interacting with squeezed coherent light field is investigated.

    利用全量子理论,在相互作用绘景中研究了两个耦合二能级原子与单模压缩相干态光场相互作用系统粒子布居几率的时间演化规律;

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  • It is shown that we can find light field state with larger average fidelity and smaller oscillation amplitude by selecting the appropriate parameters.

    结果表明,选择合适的参量,我们可以找到保真度平均值较大,振荡幅度较小的光场态。

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  • With the increase of the average photon number of the coherent light field, the oscillation frequency of the atomic population inversion increases correspondingly.

    随相干光场平均光子数的增加粒子数反转的振荡频率增大;

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  • These results indicate that the quantum coherence properties of atom laser are completely identical to that of the initial light field interacting with the atomic BEC.

    表明用光场诱导产生的原子激光具有与初始光场完全相同的量子相干性质。

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  • A new project is suggested to design a tunable three-dimension standing monochromatic light field which can solve the technical problem of laser cooling gas particles.

    为解决三维冷却中性粒子的技术问题,作者提出了可调单色三维驻波场的设想。

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  • Therefore interaction Hamitonian of the single mode light field with the medium is proportional to the fourth power of the annihilation operator plus creation operator.

    因此,单模光场与此介质相互作用的哈密顿量正比于光场的湮灭算符与产生算符和的四次方。

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  • A new serial coupled led system generating open loop nonclassical intensity correlation light field by using a technique of negative feedback is described in the paper.

    报道了一种利用光电负反馈技术产生开环非经典强度相关光场的串联耦合led系统。

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  • Using the general expression of the transition probability of atom in the arbitrary light field, we consider the transition properties of atoms in squeezed states of light field.

    本文利用在任意光场中原子跃迁几率的一般表达式,讨论了原子在压缩态光场中的跃迁特性。

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  • First, the evolution properties of the field entropy of the system of three-level atom interacting with the single-mode coherent-state light field are investigated in this paper.

    首先,本文研究了单模相干光场与三能级原子相互作用系统的场熵演化特性。

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  • An introduction is given to the basic definition and conception of the angular momentums of the light field, and the angular momentums of a variety of cylindrical symmetric beams.

    本文简单介绍了光场角动量的基本定义与概念,各类圆对称光束的角动量。

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  • The effect of different pulse widths and light field intensity on bunching and antibunching effects of light field is discussed when the coupling of atom and light field is time-dependent.

    并讨论了原子与光场的耦合受到高斯型时间脉冲限制时,脉冲宽度和光场强度对光场聚束与反聚束效应的影响。

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  • The quantum statistical properties of two photon Jaynes Cummings model with a time dependent atom field coupling coefficient are discussed under the initial squeezing state of the light field.

    讨论了初始光场为压缩态、原子光场耦合系数随时间变化情形下双光子过程J C模型的量子统计性质。

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  • When the laser frequency is larger than the atomic resonance frequency (blue detuning), the atoms will experience a repulsing force that will repulse the atoms to the minimum place of light field.

    当激光频率大于原子跃迁共振频率时(兰失谐),处在光场中的原子受到一个排斥力的作用,迫使原子远离光场。

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  • The results show that the atom lasers induced by light field in Fock state, coherent state, and squeezing coherent state are always anti-bunching, the nth-order coherent, and bunching, respectively.

    结果表明,粒子数态光场诱导的原子激光总是反聚束的,相干态光场诱导的原子激光是任意阶相干的,而压缩相干态光场诱导的原子激光总是聚束的。

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  • We propose a new 3D plenoptic function method - Boundary Light Field, which works with rough geometry model of scene objects.

    本文在同心拼图方法的基础上,提出了一种新的与场景几何相结合的3D全光函数方法—边界光场。

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  • We propose a new 3D plenoptic function method - Boundary Light Field, which works with rough geometry model of scene objects.

    本文在同心拼图方法的基础上,提出了一种新的与场景几何相结合的3D全光函数方法—边界光场。

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