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For near-field recording systems, Aperture and Solid Immersion Lens（SIL） are two popular techniques to overcome light diffraction limit and reduce spot size. 在近场光学纪录系统中，微孔与固态浸没透镜（SIL）为常被用来克服光学绕射极以及限缩小光点的两项技术。
The obvious question becomes: is this diffraction limited or not? 现在问题变成：这个是不是衍射极限的作用?
This optic is diffraction limited at the center field but not at the edge. 衍射极限只在中心部分起了作用而不是边缘。
Due to optical diffraction limits, the focal spot size is influenced by the incident wavelength and the numerical aperture of a lens. 摘要:由于光学绕射极限的限制，聚焦光点受到入射光波长及透镜数值孔镜的影响。
This in turn leads up to asking the question of exactly how large is the diffraction limited field of view. 反过来，又引出一个新的问题，衍射极限的视角到底有多大?
When we use the term diffraction limited, we must also qualify where in the telescope field of view this is happening. 当我们使用衍射极限这个概念时，我们必须限定是在望远镜的哪一个部分。
This star is at the zero field angle and, as in our example above, we are enjoying a diffraction limited view of this star. 这颗星的角度就是0度，我们当然很乐意进行这样的单星测试。
In NFR pick-up head, the SIL/SSIL and aperture are key components to overcome the diffraction limit. 在近场光学读取头中，SIL/SSIL与微孔是主要克服绕射极限之关键元件；
From this spot diagram, we can see that the diffraction limited field of view has grown by almost a factor of 5 times and the diffraction limited field of view is almost ?degree! 从这个点图，我们可以看出，衍射极限作用的区域随之增长了5倍（我理解的是，更多的斑点被限制在爱里克斑内，也即发散出去的斑点面积反而小了）。
The basic idea behind OPC is to intentionally and systematically distort the mask in such a way as to compensate for optical diffraction limit and process non-idealities. 其基本思想是有目的、有系统地通过对掩模形状做预失真来补偿由光学系统的衍射和工艺的非线性引起的失真。
Up to 1.4 J TEM 00 mode output pulse (10 ns, 10 pps) with 1.1 diffraction limited divergence can be obtained by using VRM unstable resonator and one amplifier. The effeciency of SHG is 60% and THG is 30%. 在此理论基础上，设计了NdYAGQ开关（电光调Q）高功率高光束质量的激光系统，获得了脉冲能量为1.;4JTEM00模，脉宽10ns，重复频率10pps，束散度达到衍射极限的1
Phase Compensative Technology for the Beam Beyond the Diffraction Limits with High Power[J]. 引用该论文滕树云;刘立人;云茂金;闫爱民.
Unfortunately, it contains only a broad-brush picture of the object, with diffraction limiting the resolution to the size of the wavelength. 不幸的是，它只含有物体粗略的影像，因为在绕射的限制下，它的解析度只能到波长大小。
In a similar manner, diffraction limits the amount of information that can be optically stored on or retrieved from a digital video disk( DVD). 同样的道理，绕射也限制了以光学方法储存或读取数位影音光碟（vd）的资料量。
With the techniques and elements of diffractive optics, it is now feasible to break the diffraction limit and achieve optical superresolution. 利用衍射光学的技术与器件,能够突破受限于衍射极限的分辨率,实现光学超分辨。
When frequency is 301p/mm, the modulation transfer function(MTF) is near diffractive limit under 0.5 field angle, the modulation transfer function (MTF) is near 0.7 in edge field. 频率为301p/mm时系统的光学传递函数在0.;5°视场角以下接近衍射极限;边视场角的传递函数系数接近0
Surely there is a limit to what one can bear. 人的忍耐肯定是有限度的。
The proposal set a time limit of one year. 提案规定了一年的限期。
Even a limited confrontation can escalate into a major war. 即使是局部的对抗也可能扩大成一场大战。
Only a limited number of places are available. 只有少数地方可供使用。