焦面

对于大数值孔径空心-高斯光束而言，光束阶数n也会影响位相奇点的分布，例如，在位相奇点的产生和湮灭过程，焦面上最里面的n个位相奇点不会消失。

For high NA dark-hollow Gaussian beams the beam order n additionally affects the spatial distribution of phase singularities , for example , the innermost n singularities in focal plane do not disappear in the creation and annihilation process .

LNL的反冲质量谱仪的新型焦面探测器&PS-PPAC

New focal plane detectors-PS-PPAC for recoil mass spectrometer at LNL

多姿态变化相机中CCD焦面组件的热设计

Thermal design of CCD focal plane assemblies for attitude-varied space cameras

利用CCD摄像头测量航空相机的焦面信息

A Measuring System of Focus Plane Information to Aerial Cameras Using CCD Camera

本文研究平面波倾斜入射在小F数毫米波焦面阵成像系统上衍射斑像差减小即视场扩大问题。

Expanding of Field-of-view for small F-number millimeter wave focal plane imaging is analyzed in this paper .

卫星焦面PCB板的EMC设计和仿真

The EMC Design and Simulation of The Board of Focus Circuit in Spy Satellite

用于毫米波焦面阵成像的小F数透镜焦区矢量衍射场分析

Analysis of vectorial diffraction field in the focal space of a small F-number lens for millimeter wave FPA imaging system

相位变更（PD）方法是一种基于两个或多个不同离焦面图像来恢复光瞳畸变波前相位的光学波前传感技术。

Phase diversity ( PD ) is a kind of wavefront sensing technique based on the measurement of two or more object images .

在原来光具座测量透镜焦距的装置基础上，用CCD代替人眼作接收器时，正确判定焦面是实验的关键。

Linear CCD is used as receiver on behalf of eyes on the basis of originally experimental equipment measuring the focal length of lens .

8mm波段20通道被动焦面阵成像系统研究

Research on 8mm 20 Channel Passive FPA Imaging System

本文介绍一种新的焦面检测方法，以位置敏感探测器PSD作为检焦器件对光学系统的实际焦面进行检测。

A new technique for measuring the accurate position of the focal plane of an optical system with position sensitive detector ( PSD ) is presented .

单元定位是LAMOST主要关键技术之一，其定位精度是焦面系统的核心。

Unit positioning is one of key technologies of LAMOST , whose positioning accuracy is the core of focal panel system .

采用射线追迹结合StrattonChu矢量衍射积分公式的方法分析计算了小F数双曲透镜和倒置显微镜的焦面成像特性。

The ray tracing method and vectorial Stratton Chu diffraction Integration are applied in the analysis of the imaging performance over the focal planes of hyperbolic lens and reverse microscope lens system with small F number .

第一种方案是频谱干涉法，即利用数字微（DMD）的光栅特性，经过成像透镜的傅里叶变换后，在透镜的后焦面上形成的频谱又在像面进行叠加，形成干涉条纹。

The first program is the spectrum interferometry . Using the grating feature of DMD , after the Fourier transform of the imaging lens , the spectrum is superposing in the image plane .

研究一种智能化的红外焦距仪，采用倒置系统，将线阵CCD探测器置于准直物镜的焦面上接收信号，分析了其原理及其软件设计方法，给出了实验结果。

A intellectualized instrument of measuring the focus of infrared optical lens is studied . The signal is acceded by CCD in focal plane of the collimator lens . The measurement principle is analyzed , the software method is designed and the experiment result is made out .

根据衍射光学束匀滑器件透过率函数的自相关系数，重新定义了表征衍射光学器件（DOE）焦面光强分布束匀滑性能的两个参数：光能利用率和顶部不均匀性。

In this paper , based on the autocorrelation coefficient of the transmittance function of the diffractive optical element ( DOE ) for beam smoothing , two performance parameters , light efficiency and top non-uniformity , are re-defined .

针对该系统的特点，建立了LAMOST焦面观测的仿真模型，并进行了系统观测效率的仿真。

According to the system , the model of LAMOST focal plane Observation Planning was built , and then the simulation of the observation efficiency was carried out .

经改进的中重离子焦面探测器系统（长500mm），已通过束流检验并用于核物理实验中。

An improved medium heavy ion focal-plane detector system ( 500 mm long ) was tested with beam and has been used in nuclear physics experiment .

掠入射平场光栅谱仪是最近几年发展起来的新型极紫外（XUV）光谱仪器，其光谱焦面是一平面。

A new kind of XUV spectroscopic instrument-grazing incidence flat-field grating spectrograph has been developed in recent years , in which the spectrum is formed on a flat rather than on a curved one .

该探测器已经装配在北京Q3D磁谱仪全焦面探测器系统上准备在串列加速器上进行束流试验。

This detector has been installed on the detector system of Q3D magnetic spectrometer and will be tested on the tandem accelerator with ion beam .

实验结果表明当物体位于4f系统的前焦面时，可以消除相位信息中的附加相位因子，不需相位补偿即可获得准确的表面三维形貌信息。

The experimental set-up is designed , and the results show that when the object is located in the front focal plane of 4 f system , the accurate surface features can be computed directly without the correction of phase aberrations .

此外，程序还可进行光学点图计算，显示出在人工给定离焦面上点分布，给出空间光线对主光线的能量集中度曲线和OPD均方根值。

Besides , it can also be used to calculate Spot-Digram of the system so as to display ray distribution in the defocussed image plane , give out the curve of the ray 's energy density and Square-root-means of its OPD value in that plane .

本文设计了空间光调制器（LCD-SLM）的双光束干涉光刻系统，将LCD-SLM置于Fourier变换透镜的前焦面，在后焦面上双光束聚焦干涉得到微小干涉点（光栅像素点）。

In this paper , we have designed a two-beam interference system by using a LCD-SLM device on Fourier transform optical path . In the system , the LCD-SLM is placed in the front focus plane , and two apertures are opened on the LCD-SLM .

CASCAM相机在设计上实现了光学-近红外很宽波段的消色差变焦，并在楔形分束片、常温滤光片轮和折射式焦面摆动技术等方面进行了新的尝试。

The camera design is implemented by the achromatic focal reducer well-designed for very wide wavelength band from optical to the near-infrared , and make some new attempts with wedged dichroic beam splitter non-refrigerated optical-filter wheels and refraction dithering system .

毫米波焦面阵成像视场扩大分析

Analysis of Extending the Field-of-View of Focal-Plane Imaging System at Millimeter-Wavelengths

用于毫米波焦面阵成像系统的扩展半球介质透镜

Extended Hemispherical Lens and Its Applications in Millimeter Wave Focal Imaging Systems

中重离子焦面探测器系统的改进

Improvement of the focal-plane detector system for medium heavy ions

轻粒子焦面探测器系统基本特性在束检验

An on-beam test of the focal plane detector system for light particles

从光的相干性的观点来看，光束通过这种结构后在远场焦面是非相干的。

In the far-field focal plane , the superposition beam is incoherent .

环境条件对相机焦面影响的实验研究

An experimental investigation about environment condition effects on focus location of camera