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    • 42. 发明授权
    • VERFAHREN UND VORRICHTUNG ZUR UNTERSUCHUNG DES ABBILDUNGSVERHALTENS EINER ABBILDUNGSOPTIK
    • 方法和设备进行调查图片图表光学的行为
    • EP1963812B1
    • 2011-11-30
    • EP06829651.6
    • 2006-12-15
    • Carl Zeiss SMS GmbH
    • GREIF-WÜSTENBECKER, JörnSTRÖSSNER, Ulrich
    • G01M11/02
    • G01M11/0285G03F7/705G03F7/70566G03F7/70591G03F7/7085
    • The invention relates to a method for analysing the imaging behaviour of a first optical imaging element, whereby an object is imaged into an image plane by a second optical imaging element and light in the image plane is detected in a spatially resolved manner, the two optical imaging elements differing in terms of at least one imaging characteristic. Values are determined for the intensity and for at least one second characteristic of the light, said values being then stored in image points, and processed in an emulation step. An emulation image is produced, emulating the imaging of the object by the first optical imaging element, taking into account the influence of the second characteristic. A series of images is produced by dividing a range of values of the second characteristic into subdomains, associating an image with each subdomain, and associating the corresponding intensity value with the image points of each image, in case the value of the second characteristic, associated with the image point, falls in the subdomain associated with the respective image. Otherwise, a pre-determined intensity value is associated therewith. The series of images is converted into a series of intermediate images in the emulation step. A constant value of the second characteristic is used in the emulation for each intermediate image, said value originating from the respective subdomain and differing from the values of the second characteristic for the other intermediate images. The intermediate images are then combined to form an emulation image.
    • 49. 发明授权
    • VERFAHREN ZUR BESTIMMUNG DER ABBILDUNGSGÜTE EINES OPTISCHEN ABBILDUNGSSYSTEMS
    • VERFAHREN ZUR BESTIMMUNG DERABBILDUNGSGÜTEEINES OPTISCHEN ABBILDUNGSSYSTEMS
    • EP1631809B1
    • 2006-11-29
    • EP04739798.9
    • 2004-06-11
    • Carl Zeiss SMS GmbH
    • ENGEL, ThomasGROSS, Herbert
    • G01M11/02
    • G01M11/0257
    • The invention relates to a method for determining the image quality of an optical imaging system and to the use of the inventive method for determining the influence of samples on the amplitude distribution and on the phase front distribution of the illuminating light of which the amplitude distribution, in particular, is known. The invention comprises the following steps: adjusting the subassemblies relative to one another whereby making it possible to project images of a sample onto the detection device; recording a number of images of the sample from different planes of reference near the best focus plane; improving the image quality by image processing, particularly by reducing the noise in order to compare local sensitivity differences of the detection device and to center the intensity concentration points at a predetermined location in the images; computational linking of locally resolved image information, of the set values and system values related to the optical imaging system, and of information concerning the sample with the aim of determining characteristic numbers that are characteristic of the wave front deformation caused by the imaging system, and; outputting the characteristic numbers and assigning them to the imaging system in order to describe the image quality.
    • 本发明涉及一种用于确定光学成像系统的图像质量的方法以及本发明的方法用于确定样本对幅度分布和照明光的相位正面分布的影响,其幅度分布, 特别是已知的。 本发明包括以下步骤:相对于彼此调整子组件,从而使得能够将样本的图像投影到检测装置上; 在最佳聚焦平面附近从不同参考平面记录样本的多个图像; 通过图像处理改善图像质量,特别是通过降低噪声以比较检测装置的局部灵敏度差异并将强度集中点居中在图像中的预定位置处; 计算局部解析的图像信息的计算链接,与光学成像系统有关的设定值和系统值以及与样本有关的信息的计算链接,目的是确定成像系统引起的波阵面变形的特征数字,以及 ; 输出特征数并将它们分配给成像系统以描述图像质量。