Sub-diffraction limit spots in LiNbO_3 crystal ablated by femtosecond laser have been obtained.
通过扫描电镜和原子力显微镜观察了烧蚀点的形貌特征,首次发现利用单束飞秒激光脉冲对LiNbO3晶体烧蚀,可以得到超衍射极限的烧蚀点,当聚焦光斑直径约为2μm、能量为170nJ的单脉冲飞秒激光作用时,烧蚀点的直径约为400nm,100nJ,17个脉冲作用时烧蚀点的直径约为800nm。
The diffraction limit DL_(11M).
θ＿（⊥Ｍ）进行了系统的实验研究，并从理论上计算了本实验条件下的衍射极限ＤＬ＿（１１Ｍ）。
In order to solve this problem, a basal principle of the white light lateral double-shearing interferometer is introduced firstly, and then measuring the semiconductor laser beam′s wavefront which is near the diffraction-limited by the interferometer is reported, and t he formula of calculating the beam′s pergence is deduced according to the Fra unhofer diffraction.
在星间半导体激光通信系统中,如何检测发射光束波面的质量是个较难处理的问题,为了较好地解决这一问题,在简单介绍白光横向双剪切干涉仪的基础上,报道了用此干涉仪对近衍射极限半导体激光光束波面的检测,在此基础上推导出计算远场发散度的公式。
Near Diffraction Limited High Power Tapered Semiconductor Lasers;
近衍射极限高功率锥形半导体激光器
High power diffraction-limited quasi-continuous-wave diode-end-pumped 1.34 μm laser
大功率衍射极限准连续1.34μm激光器研究
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。
I continually see statements of背 iffraction limited optics?
我不断的看到有关光学衍射极限的评述。
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？
Kilowatt High Power Heat Capacity Laser with 3 Times Diffraction Limit
千瓦级3倍衍射极限的高功率热容激光器
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？
Breaking the Diffraction Limit Using Silica Nanoparticles with Exotic Nonlinear Optical Properties
利用具有奇异非线性光学特性的纳米粒子突破光学衍射极限
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。
The optical near-field distribution of nanometric apertures wasinvestigated using the finite-difference time-domain( FDTD) method.
扫描近场光学显微镜突破了传统远场光学的衍射极限，能够获得超高光学分辨率。
A fundamental limit is imposed by the size of the diffraction disk of the telescope.
一个基本的极限是由望远镜衍射园面的大小决定的。
As a natural limit for angular resolution, one may take the angular size of the central diffraction disk.
我们可以取中心衍射环的角直径作为角分辨率的一种自然极限。
diffraction on edge of semiinfinite screen of eletromagnetic wave
电磁波在半无限屏缘的衍射
The light is emitted by the laser diode and enters a diffraction grating.
激光束从激光二极管中发出，射入衍射光栅。
Polarized neutron diffraction and its application to spin density studies
极化中子衍射及在电子自旋密度研究中的应用
LIMITED ANGLE DIFFRACTION TOMOGRAPHY FOR OBJECTS WITH PLANAR STRUCTURE
具有平面结构物体的有限角衍射断层成象
Diffraction Effects of Laser Beam and Its Influences on Resolving Power of Scanning System
激光束受限衍射对扫描系统分辨本领的影响
To undergo or cause to undergo diffraction.
使衍射产生或导致衍射