查询词典 collimating lens

The imaging system consists of a color video camera, an observation window and a turning mirror, a wide-angle collector and collimating lens, a video capture card as well as a portable computer.

该成像系统由彩色摄像机、观察窗和转向镜、广角收集和准直透镜组、采集卡和计算机组成。

When couple the above LDA into fiber bundle by using 120 μm fiber as collimating lens, we get efficiency of 78%.

利用光纤柱透镜进行半导体激光器列阵与光纤排的耦合，获得了78％的耦合效率。

The influence of the position of the collimating lens on the DLA system phase-locked in an external cavity has been investigated by using Fourier analysis, the angular spectrum theory of the plane wave and the light ray tracing method.

利用傅立叶分解，平面波传播的角谱理论和光线追迹的方法讨论了在DLA外腔锁相中准直透镜的位置对系统的影响。

To enlarge the measurement range of a potential vision meter and improve its measurement accuracy for patients with high error of refraction, the imaging characteristics of its optical system were investigated. The visual magnification equation of the system was derived. The influence of the focal length variation of the collimating lens and the imaging lens on the magnification was analyzed respectively.

针对潜在视功能检测仪临床使用中量程有限和对高度屈光不正患者检测结果有一定误差的现象，研究了其光学系统成像特性，建立了系统对视力板成像的视觉放大率公式，分析了准直透镜、成像透镜焦距变化对视觉放大率的影响。

The method for making the collimator of the invention includes that an optical fiber top and a collimating lens are respectively sheathed in the two ends of the collimator sleeve and then fixed, and more importantly, one step is added that a parallel flat plate is arranged between the optical fiber top and the collimating lens and then adjusted to be fixed.

本发明的准直器的制作方法是将光纤头和准直透镜分别套入准直器套管两端，而后固定。更主要的还增加一步骤：在光纤头和准直透镜中间还设置一平行平片，调节平行平片后固定。

The focus of the collimating lens has effects on the slope of the visual magnification curve while the focus of the imaging lens affects visual magnification of the whole moving range in the same way.

系统中视力板移动检测时，准直透镜焦距影响视觉放大率变化快慢，决定视觉放大率曲线的平缓程度；成像透镜焦距对视觉放大率产生整体影响，使视觉放大率曲线产生整体平移。

And Technology, Changchun 130022, ChinaAbstract : The optical design of wide spectrum WFOV LLL collimating lens and the structure of lens set are introduced. The correction of the secondary spectrum of the WFOV LLL collimating lens are described emphatically.

介绍宽光谱大视场微光准直镜的光学设计和镜组结构方案，侧重叙述大视场微光准直镜的二级光谱校正方法。

In one embodiment of the present invention, the optical fingerprint sensor includes:(1) a light source on a PCB assembly,(2) a diffuser that receives light from the light source,(3) a right angle prism that receives light from the diffuser,(4) a collimating lens that receives light from the prism,(5) a first mirror that receives light from the collimating lens,(6) a second mirror that receives light from the first mirror,(7) a third mirror that receives light from the second mirror,(8) an imaging lens that receives light from the third mirror, and (9) an image sensor on the same PCB assembly as the light source that receives light from the imaging lens.

在本发明的实例中，该光学指纹传感器包括有：①一个装在印刷电路板上的光源；②一个散射镜接收从光源发出的光；③一个直角棱镜接收从散射镜出来的光；④一个准直透镜接收从棱镜出来的光；⑤第一块镜子接收从准直透镜出来的光；⑥第二块镜子接收从第一块镜子出来的光；⑦第三块镜子接收从第二块镜子出来的光；⑧一块成像镜接收从第三块镜子出来的光；⑨一个与光源安装在同一块印刷电路板上的图像传感器接收从成像镜出来的光。

The invention provides an ultra-short length erbium-ytterbium co-doped high gain glass fiber superfluorescence light source which includes: a semiconductor laser 1, a coupling lens system 2 (including a collimating lens 3 and a focusing lens 4), a signal light total reflective mirror 5, a high gain fiber 6 a pumped light input terminal is a vertical cutting terminal 8 in figure (a structure and is a bevel terminal 7 in figure structure, a superfluorescence output terminal is the bevel terminal 7 in figure and.

一种超短长度铒镱共掺高增益玻璃光纤超荧光光源，包括：半导体激光器1，耦合透镜系统2(包括准直透镜3和聚焦透镜4)，信号光全反镜5，高增益光纤6泵浦光输入端在图(a结构中为垂直切割端8，在图结构中为斜角端7，超荧光输出端在图、中均为斜角端7四部分。

The lens axicon is based on the use of the spherical aberration of the mirror surfaces,which is inexpensive and easy to manufacture into a element with large apertures as compared with diffractive axicons,refractive cone axicons,and earlier lens axicons with aspheric surfaces;the opaque disk can offer the Bessel beams with long non-diffracting distances,and the diameter of the central peak is adjusted by choosing the focal length of the collimating lens;the tunable fluidic conical lens is a new device for generating Bessel beams,which can obtain the Bessel beams with different parameters by varying the refractive indexes of the solution which is filled in the device.

双透镜轴棱锥法主要基于透镜球面像差的运用，与衍射轴棱锥、折射轴棱锥和早期的非球面轴棱锥相比，具有加工简单、便宜，易于制作大尺寸的特点；不透明障碍物法得到的贝塞尔光束具有很长的无衍射距离，其直径可通过选择不同焦距的准直透镜来得到调节；可调流体轴棱锥是一种产生贝塞尔光束的新型器件，它可以很容易地通过改变注入器件的液体的折射率来得到不同参量的贝塞尔光束。

I am accused of being overreligious," she said in her quiet, frank manner,"but that does not prevent me thinking the children very cruel who obstinately commit such suicide.""

客人们在卡罗利娜·埃凯家里，举止就文雅一些，因为卡罗利娜的母亲治家很严厉。

Designed by French fashion house Herm è s, this elegant uniform was manufactured in our home, Hong Kong, and was the first without a hat.

由著名品牌 Herm è s 设计，这件高贵的制服是香港本土制造，是我们第一套不配帽子的制服。