However, such a divergent beam can be transformed into a collimated beam by means of a lens.
然而，这种散射的光束可以通过镜头的帮助被转化成平行光束。
Acoording to the crystal symmetry, diffraction geometry and the diffraction laws, the complicated divergent beam X-ray diffraction has been studied.
根据晶体的对称性、衍射几何和衍射规律，研究了复杂的发散X射线晶体衍射。
Gaussian beam propagation through a kind of parabolic divergent GRIN rod lenses is studied.
本文研究一类抛物型发散梯度折射率棒透镜中高斯光束的传播。
Its principle is discussed, taking the divergent optical beam emitted from the fiber into consideration, which causes a loss factor for the effective reflectance.
考虑到光纤出射光束的发散，在有效反射率中引入了损耗因子，讨论了它的基本工作原理。
Then, the influences of the beam types, beam energy, beam current, initial radius and divergent angle on the beam propagation are discussed briefly.
然后讨论了影响粒子束传输的各种因素，包括粒子束类型、能量、束流、出口初始束半径以及散角等。
Monolithic capillary X-ray lens can collect divergent white X-ray beam emitted from a point X-ray source into a quasi parallel beam.
整体平行束X光透镜能把点X光源发出的发散X光束聚焦后转变成准平行X光束。
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。
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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