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Broad-band optical test bench (OPTISHOP) to measure MTF and transmittance of visible and IR optical components

机译：宽带光学测试台（OPTISHOP），用于测量可见光和红外光学组件的MTF和透射率

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摘要

CI Systems has developed a new cost effective and modular Optical Test Bench to measure Modulation Transfer Function (MTF) and transmittance of optical components in the Visible/Near Infrared (0.4-1.7 microns) and infrared (3 to 14 microns) spectral ranges (the OPTISHOP system). The optical design concept of the system allows the user to switch from MTF (on- and off-axis) to transmittance measurements, without need of optical alignment by the user. In addition, broad band sources are used for illumination, so that these optical properties can be measured in the whole relevant wavelength range of the components to be tested (usually visible and/or near infrared separately from the infrared range). Other lens measurements such as effective focal length can be made. Back focal length, distortion and field curvature are being developed. The system is based on the standard and proven CTS (Collimator Test System) product line of CI, which is made of reflective optics for wide wavelength coverage, and it is ruggedly built for use in the laboratory, production line or maintenance depot. An advantage of the CTS configuration is that the source-collimator assembly is enclosed in a robust mechanical envelope, which prevents accidental misalignements and breakage, optical misalignments due to environment temperature drifts, soiling of the optics, and easier system transportation. The system is described here, including calibration and validation techniques.
机译：CI Systems已开发出一种新的具有成本效益的模块化光学测试平台，可以测量可见/近红外（0.4-1.7微米）和红外（3至14微米）光谱范围（ OPTISHOP系统）。该系统的光学设计概念允许用户从MTF（同轴和离轴）切换到透射率测量，而无需用户进行光学对准。此外，宽带光源用于照明，因此可以在要测试的组件的整个相关波长范围（通常是可见光和/或与红外范围分开的近红外）中测量这些光学特性。可以进行其他镜头测量，例如有效焦距。后焦距，失真和场曲正在开发中。该系统基于CI的标准和经过验证的CTS（准直仪测试系统）产品线，该产品线由反射光学器件制成，具有很宽的波长覆盖范围，并且坚固耐用，可在实验室，生产线或维修站使用。 CTS配置的一个优点是，源准直器组件被封装在坚固的机械外壳中，可以防止意外的未对准和破裂，由于环境温度漂移而导致的光学未对准，光学器件的污染以及更容易的系统运输。这里介绍了该系统，包括校准和验证技术。

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