• To the astonishment of the entire world, the neutrinos clocked in 60 nanoseconds sooner than a light beam traveling the same distance would have done.

    他们记录到的中微子的行驶时间要比光线行驶相同距离提早了60纳秒,从而使整个世界为之震惊。

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  • Because light travels in a straight line through the contours of space-time, a light beam will curve where space-time curves, this curving was first measured in 1919.

    因为光沿时空走直线,所以光线在时空弯曲的地方会弯曲。这现象在1919年首次被观测到。

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  • The space-time ripples cause the distance measured by a light beam to change as the gravitational wave passes by, and the amount of light falling on the photodetector to vary.

    时空涟漪使得用光束测量的距离像引力波通过那样变化,同时使得落在光电探测器上的光量发生变化。

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  • A light beam shot through a blob of rubidium atoms can directly and reliably measure the size and orientation of a magnetic field, a team of physicists reports in the Sept. 13 Physical Review a.

    9月13日,据一个物理学家小组在物理学评测A中的报道,一束光照射过一团铷原子就可以直接可靠地测量出一个磁场的大小和方向。

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  • Albert Einstein once imagined riding on a light beam, and his thought experiment led him to the theory of special relativity.

    爱因斯坦曾经幻想在宇宙中乘着一道光线飞驰,这个思想实验为他的狭义相对论奠定了基础。

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  • The detecting method of light beam deflexion is used.

    检测方式采用光束偏转法;

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  • The light beam passes through the container holding the vapor.

    光束通过盛蒸气的容器。

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  • The light beam is scattered by small particles in the moving fluid.

    光束被流动流体中的微粒所散射。

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  • Signal transmission is realized by transmitting light beam over optical fiber.

    信号传输是通过光纤传输光束来实现的。

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  • It can detect the phase and amplitude informations of a light beam simultaneously.

    它可以同时探测出一束光的振幅和相位信息。

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  • Imported optical mirror, reduce wastage of laser power, high quality of light beam.

    进口光学激光镜片组,激光功率光损耗低,光束质量好。

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  • For te polarization, one light beam can be split into two sub-beams along opposite directions.

    对于TE偏振,一束光可以被分为沿相反方向传输的两束光。

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  • The protection system of light beam formed emission and receiving of infrared ray is introduced.

    介绍了利用红外线的发射与接收所构成的光束保护系统。

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  • Collimation orthopedics of the array laser diode light beam is a traditional optical technical problem.

    阵列激光二极管光束的高效准直整形是传统光学技术的难题。

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  • Furthermore, the numerical results for the light beam horizontal atmospheric propagation are presented.

    此外还给出了光波水平大气传输时的数值计算结果。

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  • The divergence Angle of light beam was measured with the method of CCD imaging and computed by second moment method.

    通过CCD成像方法对准直后的光束发散角进行了测量,利用二阶矩算法计算出光束发散角。

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  • Adopting a method of four light beam exposure at the same time, the diffraction efficiency of the gratings is increased.

    采用四光路同时曝光,提高了光栅的衍射效率。

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  • Constant deviation prism is a turning element which can invariably transform the propagating direction of the light beam.

    恒偏向棱镜是指能恒定改变光束传输方向的转向元件。

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  • The method is based on measuring the deflection of rays from a collimated light beam due to gradients in refractive index.

    平行光通过折射率存在梯度的场,光线产生偏转,即产生云纹效应。

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  • When the ellipticities of light beam and response function satisfy certain conditions, these two critical powers are equal.

    当光束、响应函数的椭圆率满足一定条件时,两个临界功率可以相等。

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  • In recent years, there have been many researches focusing on orbital angular momentum of light beam in the field of optics.

    近年来,在光学领域内,关于光束轨道角动量的研究,受到广泛的关注。

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  • The finite-sized light beam reflected from a weakly absorbing dielectric slab would experience a longitudinal displacement.

    光束在弱吸收介质板上反射时,会产生纵向位移。

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  • In this paper a series of formulas for calculation of astigmatism formed by tiny light beam on a HOE plate have been derived.

    本文推导了在全息光学元件上细光束象散计算的全套公式。

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  • Another important application of diffraction theory is the study of the far field divergence Angle of a collimated light beam.

    衍射理论的另一个重要应用就是研究准直光束的远场发散角。

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  • Its advantage is that the light beam quality is good, the light beam emitting direction and position can be changed optionally.

    其优点在于光束质量好、可以任意改变光束的出射方向和位置。

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  • The influence of surfacing material and processing parameters on the quality of light beam powder surfacing layer is investigated.

    研究了堆焊材料组成和堆焊工艺参数对光束粉末堆焊质量的影响规律。

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  • In this paper, we bring forth a new optimal design method of Fresnel diffractive lens using in light beam collimation of laser diode.

    针对国内外现有半导体激光器准直器件的缺点,提出了一种用于半导体激光器准直的相位型二元菲涅耳衍射透镜的优化方法。

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  • This structure can solve the problems of catastrophic optical damage of facet, thermal damage and poor light beam quality effectively.

    该机理能有效地解决光功率密度过高引起的端面灾变性毁坏、热烧毁和光束质量差等大功率激光器存在的主要问题。

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  • The astigmatism from a plane grating placed in the divergent light beam was used to compensate the astigmatism from an objective lens.

    将平面光栅置于发散光中,利用平面光栅产生的像散来补偿物镜产生的像散。

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  • The astigmatism from a plane grating placed in the divergent light beam was used to compensate the astigmatism from an objective lens.

    将平面光栅置于发散光中,利用平面光栅产生的像散来补偿物镜产生的像散。

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