A refractive defect of a lens or other optical system that prevents light rays from converging at a single point resulting in a blurred or imperfect image.
散光有折射缺陷的透镜或其它光学系统，阻碍光线汇聚于一个焦点，形成一个模糊或不完全的图象。
The mode properties of symmetric and non-symmetric one-dimensional photonic crystals with a sandwich layer defect were investigated by using the optical transmission matrix method.
利用光学传输矩阵方法研究对称和非对称一维缺陷光子晶体的缺陷模式特性。
The influence of thickness error of each layer to optical character was also discussed, and the result shows that the most sensitive layer is defect-layer.
同时研究了膜层的误差对滤光片光谱性能的影响，表明其敏感层主要是缺陷层。
The important meaning of the optical fiber fusion defect recognition is introduced.
介绍光纤熔接缺陷的识别在光纤通信中的重要意义。
The thesis begins with the structure features and mainly discusses the optical characteristics of photonic forbidden band and defect mode in finite-period 1d photonic crystals.
本论文从一维光子晶体的结构特点出发，着重研究了有限周期一维光子晶体的光子禁带及缺陷模的光学特性。
The optical inspection technology of surface defect, as for defects of hot continuous casting slabs, has advantages of high speed, contactless and high resolution.
光学缺陷检测技术，对热连铸坯表面缺陷而言，具有高速、非接触、高分辨率等优点。
We find that dispersive properties inside the micro-cavity lead to frequency shift of the defect modes. The defect modes can be amplified as optical gain is introduced into system.
另外，当通过复介电常数的虚部引入光学增益后，我们发现缺陷模在增益介质中被放大，其阈值特性和缺陷折射率的密切相关。
The worth biggest and FWHM of defect mode up with the increment of the optical thickness of doping.
滤波通道的峰值和半高宽都随吸收杂质的光学厚度的增加而减小。
The surface defect on medium and heavy plate Q235B was investigated by means of the optical microscopy, scanning electron microscopy and energy spectrum analysis in this paper.
对Q 235 B中厚板表面缺陷处的显微组织、非金属夹杂物等进行了金相组织和扫描电镜观察及能谱分析。
The results are revealed as follows. The smaller the refractive index of dielectric of defect mold is, the better the performance of super narrow band optical filer is.
结果得出，缺陷模介质的折射率越小，产生的超窄滤波带滤波性能越好；
It is proposed especially for the hollow-core optical fibers, considering the defect of the present measurement techniques.
这是在考虑到国内外现有的光纤几何参数测量方法的缺陷，针对空芯光纤的特殊问题而提出的。
The experiment results of optical fiber detection show the system can successfully perform the defect detection of optical fibers. Furthermore, it has higher discrimination comparing with the CJTC.
光纤检测实验表明，系统能够实现光纤的缺陷检测，并且具有比传统的联合变换相关器更高的识别能力。
This paper recounts the technical scheme of optical spares surface defect examining instrument.
本文叙述了光学零件表面疵病检测仪的技术方案。
Waveguide multiplayer optical memory is a kind of new 3D optical memory based on new principle, and it can read the data by utilizing the effect of light scatter of Waveguide defect.
波导多层存储是一种基于新原理的三维光存储新技术，它利用波导缺陷的光散射效应读出数据，因此如何对光盘信息坑散射光强的进行测量是波导多层存储须解决的关键技术之一。
Waveguide multiplayer optical memory is a kind of new 3D optical memory based on new principle, and it can read the data by utilizing the effect of light scatter of Waveguide defect.
波导多层存储是一种基于新原理的三维光存储新技术，它利用波导缺陷的光散射效应读出数据，因此如何对光盘信息坑散射光强的进行测量是波导多层存储须解决的关键技术之一。
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