光电搜索跟踪系统是战场态势感知、信息获取、目标捕获、跟踪定位等武器装备的核心光电设备，其跟踪精度是表示光电搜索跟踪系统作战能力的关键参数。针对该参数的需求，提出了一种基于OLED发光的平行光管阵列式目标模拟器设计方案，其动态目标模拟角速度范围为1°/s～100°/s，角度定位精度为0.8″。对动态目标模拟器的角速度模拟进行了分析，得出角速度模拟的相对扩展不确定度可达0.6%～0.8%。

为解决光电跟踪仪跟踪精度测量过程中光束大范围指向的模拟问题,设计了一种大口径、高精度二维快速控制反射镜(fast steering mirror, FSM)。采用微晶材料设计了长、短轴分别为230 mm和160 mm的椭圆形平面反射镜,面形精度优于λ/30。采用音圈电机驱动,通过柔性支撑铰链设计及DSP嵌入式控制系统,运动行程达到±30 mrad,运动控制精度达到5 μrad,运动控制线性度优于±0.20%,角分辨率优于1 μrad。通过软件控制,实现对入射光束圆形轨迹运动、直线轨迹运动、随机运动等形式的运动模拟。最后,对设计指标进行实际测试,可以满足跟踪精度光束动态模拟的测试需求。

光学镜头的残余偏振是影响偏振遥感探测、偏振军事目标识别和精密光学测量仪器测量准确度的一个关键参数。针对大口径可见光波段光学镜头偏振度准确测量的问题，研制了一台光学镜头残余偏振度测量装置。该装置利用表面镀金属膜的大口径离轴抛物面反射镜作为准直光源，通过控制入射光的入射角、降低入射光源的残余偏振度等技术，在水平、垂直、45°、135°的方向获得了一致性很高的斯托克斯参量。为了验证该装置的性能，对可见光波段口径小于160 mm的光学镜头残余偏振进行了实际测量，测量结果表明，该测量装置的残余偏振度低于0.2%，可满足高精度光学镜头残余偏振的测量需要。

In the optical imaging system, the dynamic modulation transfer function (DMTF) is affected by the wave aberration of optical system, the signal resolution and transfer characteristics of detector modules, and the image blur caused by the carrier motion, which has become one of the important parameters of the photoelectric imaging system. Based on the testing principle of dynamic and static modulation transfer function of photoelectric imaging system, a DMTF measuring device was developed, in which the focal length of optical collimation system was 10 000 mm, and the speed control range of moving target was 30 mm/s~5 000 mm/s, which met the DMTF test of photoelectric imaging system with long focal length. A series of experiments were carried out, and the results show that the repeatability of DMTF measurement is better than 0.01, and the uncertainty of measurement can reach to U= 0.05 (k=2).

研究了脉冲光源有效光强空间分布的Blondel-Rey法,采用复合梯形数值积分实现了瞬时光强的测量,并对高色温光源测量时的光谱失配校正进行了分析.构建了基于双反射镜同步测量原理的脉冲光源有效光强空间分布测量装置,详细分析了全空间分布式旋转平台、脉冲光强探测系统、光谱失配校正用高分辨率光谱仪等重点组成部件.采用高色温调制光源对测量装置进行了校准.最后,对该装置的测量不确定度进行了分析,其扩展不确定度可以达到3.0％.

Modulation transfer function (MTF) is one of significant parameters for designing and evaluationg an photoelectric imaging system.As the traditional MTF measurement algorithm cannot meet the need of dynamic measurement for photoelectric system. A device composed of composed of three parts, including dynamic target generation unit, carrier motion simulation unit, data processing and control unit was setup. It is found that when the platform vibrates at low frequency, the decreasing speed of the dynamic transfer function of the television imaging system increases with the increase of the vibration frequency. When the platform vibrates at high frequency, the decreasing velocity of the dynamic transfer function of the television imaging system changes very weakly with the increase of the vibration frequency of the platform. When the platform vibrates at high frequency, the fluctuation of the decreasing velocity of the dynamic transfer function of the television imaging system decreases continuously with the increase of the vibration frequency, and gradually approaches 1 when the platform is at rest1.42 times.

紫外像增强器作为导弹紫外告警系统、紫外预警系统以及各类紫外辐射监测系统的核心部件，其参数准确与否，直接影响到系统的图像质量。为保证测试数据的准确性，研制紫外像增强器分辨力校准装置，校准装置所用紫外光源是波长范围为200 nm～400 nm的紫外光，相对应的分辨力靶、滤光处、光学成像系统均要求能够透射紫外光，由于紫外波长较短，容易引起散射效应而产生大量的杂散光，设计的分辨力靶采用紫外级石英，紫外光学成像系统采用透射式结构，选用同轴共轭透镜作为紫外光学成像系统。实验和测量不确定度分析验证校准装置的测量不确定度为5%。

紫外像增强器是紫外探测系统的核心器件,是一种电真空成像器件,可将微弱的紫外光图像转换并增强为肉眼可见、亮度可见的光图像,其研制与应用是微光夜视技术的重要发展方向.辐射灵敏度是评价紫外像增强器的重要参数,直接决定了紫外探测系统的性能.介绍了紫外像增强器辐射灵敏度的测量原理,采用紫外辐射光源、光栅单色仪系统、测试暗箱、微电流计、计算机及测量软件组建了辐射灵敏度测量系统.对3只紫外像增强器在260 nm、280 nm及320 nm波长下的辐射灵敏度进行了测量,并分析了其测量不确定度.该测量系统的建立,将辐射灵敏度测量系统的光谱范围拓展至200 nm～400 nm,弥补了现有系统的不足,具有广泛的应用前景.

调制传递函数（MTF）是评价电视摄像机成像质量的重要参数。介绍了一种用于可见光电视摄像机整机MTF测量装置及方法。设计了三积分球目标发生器系统,通过电动衰减器实现了目标和背景亮度的独立可控,其出口不均匀性为4.1%。采用基于倾斜狭缝法的亚像元自动插值与匹配算法以及线扩散函数（LSF）的最小二乘拟合分析法,实现了倾斜角度的自动计算以及MTF的精确测量,测量装置的重复性为0.007。通过与国外先进仪器的比对实验,表明建立的电视摄像机整机性能测量装置可以有效解决电视摄像机整机成像质量性能评价问题。

Modulation transfer function (MTF) is one of significant parameters for designing and evaluating an photoelectric imaging system. As the traditional MTF measurement algorithm cannot meet the need of discrete sampling characteristics for photoelectric system, an automatic interpolaton and sub-pixel matching algorithm based on slit tilting method is proposed.Through the least-square analysis of line spread function (LSF),the tilting angle can be automatically calculated, and interpolaton of sub-pixel data can be precisely reconstructed. The noise of oscillation can be effectively restrained by a hanning window function. A device composed of target generator system, off-axis reflective collimator, mechanical adjustment, electrical control system, video acquisition module and comprehensive software was setup. The validity of the method was verified by experiments. The repeatability reached 0.007。

为了精确测量在低照度环境下微光ICCD的信噪比值,为其性能评价提供参考,基于Lab VIEW软件平台和NI采集系统设计了一套微光ICCD信噪比测试系统,实现了微光ICCD多视频格式图像采集、信噪比计算以及实验结果记录等功能.利用该系统对PAL制模拟相机和camera link数字相机进行了对比测试,结果表明在10-5 lx～10-4 lx环境照度下,微光ICCD的信噪比值随照度增大而增加,且PAL制相机的信噪比值增大明显而camera link相机信噪比值增大较为平缓;同一照度4.66×10-4 lx测试条件下,信噪比的均方差范围在1.65％～2.3％,均小于5％,验证了该测试系统的稳定性和准确性.

In low-light-level(LLL) image-intensified charge coulped device (ICCD) parameters measurement, in order to obtain the testing parameters such as the resolution, the signal-to-noise ratio, the minimum intensity of illumination and the image plane uniformity, the integral ball weak diffuse light system with wide dynamic range is required.Through analyzing the structure and limitation of the traditional light source, and according to the different requirements for the light intensity of illumination in LLL ICCD synthetic parameter tests, a wide dynamic range diffuse light system was designed.The light source system utilized the double-integral ball mode, and through using the wedge gradient variable aperture diaphragm and implementation, the continuous changing of illumination under the constant color temperature was realized, and the uniform diffuse light source with different intensities of illumination ranges was formated.Furthermore,the weak light illumination output range and uniformity of LLL ICCD parameter calibrating device were measured.Results show that the emergent light illumination range of the light source is 10-7lx~103 lx,the emergent light uniformity is 98%, the light source is suitable for measuring the LLL ICCD performance parameters.

Low-light-leve(LLL) image intensifier is the core component of LLL imaging technology,signal-to-noise ratio(SNR) of image intensifier is one of the important parameters of image intensifier,which is quantitative characterization of image intensifier performance in the detection of weak radiation image,and can reflect the influences of space factor and time factors on the detection of image features.SNR measurement principle and devices of LLL image intensifier were introduced.The measurement device adopted precise microporous grating,variable grating and conjugate symmetric lens system,and could realize that a diameter of 0.2 mm particular spot projected onto the cathode surface of image intensifier.Adopting photon counting technology,by studying the weak light intensity calibration method on small detection surface(probe diameter less than 4 mm),the accurate calibration of pinhole weak illumination and the accurate measurement of light source illumination SNR with diameter of 0.2 mm were solved.

Traditional resolution measurement of image intensifier is based on the observation of human eyes,but this method is dependent on individual observer and its veracity is not very high.In order to improve this situation,an automatic resolution method for 3rd image intensifier was devised.A scientific class CCD was used in the system,and the observation system is composed of the CCD and a computer.Resolution target image on the image intensifier fluorescence screen was acquired and sent to the computer to carry out image processing and software analysis.Then the resolution of 3rd image intensifier is obtained,and the result is compared with traditional one.

The glimmer intensifier is core component of low light level night vision device,and it is the determining factor of glimmer night vision complete machine performance and price.Since the glimmer intensifier works under weak light,it is the light energy amplifier.Brightness gain is a key parameter of the glimmer intensifier electro-optic property assessment,which effects the complete machine performance directly,therefore,research on the brightness gain test technology of image intensifier has great significance.This paper introduced the principle and equipment of third generation glimmer intensifier brightness gain measurement,and carried on the uncertainty evaluation of the measurement result.

Calibration specification is the base for carrying out the calibration.Drafting the calibration specification of IR optical focal length measuring equipment is a very important object,it is the basic requirement for metrological assurance.The calibration specification of IR optical focal length measuring equipment not only applying to metrological service,to guarantee the accuracy,compatibility and traceability of daily calibration works,but provided the technology basis for the branch that produces infrared optics system focal distance measuring device,at the same time satisfies request of the consumer who use the infrared optics system focal distance measuring systematic in the process applying for various attestation.In this paper,construction,methods of calibration,and evaluation of uncertainty of the calibration specification for IR optical focal length measuring equipment are described.

Digital laser plane interferometer is used to measure the surface of optical components and the wavefront aberration of nonconfocal optical system.In order to unify digital laser interferometer measurement values,and guarantee the accuracy and traceability of the measured results,the digital laser interferometer calibration standard was laid down.The constitution of the calibration specification for digital laser plane interferometer is introduced.The specifications for the instruments under test,the main calibration parameters and the calibration method are described.