...光点,然而,光子并非只有粒子的性质,当光束以θ角入射会聚时,因波动特性而产生绕射效应,会形成一个绕射极限(diffraction limited)的光点,此极限使得光点大小无法远小于波长[11].
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Diffraction-Limited Lenses 绕射极限透镜 ; 衍射限透镜
diffraction-limited lens 衍射限透镜
diffraction limited divergence 衍射极限散度
Diffraction Limited Aperture 衍射极限光圈 ; 像素衍射临界光圈
diffraction-limited diameter 衍射极限直径
near-diffraction-limited mirror 近衍射极限反射镜
diffraction-limited system 受绕射限制系统
diffraction-limited objective 受绕射限制物镜
diffraction limited antenna 受质于绕射作用之天线
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 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 the system close -loop controlling is realized for lower frequency perturbation, the approximate diffraction limited line spread function can again be achieved on the image plane.
对于低频扰动，当系统实现闭环控制后，像面上线扩散函数已接近衍射极限。
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