The assembly positioning state of the imaging detector has an important influence on the performance of the photoelectric reconnaissance system. The axial positioning accuracy of the imaging detector will affect the imaging clarity and resolution, and the radial positioning accuracy will affect the optical axis consistency of the optical path system. The tilt, translation, rotation and position of the detector will bring multi-dimensional errors during the installation of the imaging detector, resulting in image plane misalignment, image blur and optical axis offset. In this paper, an optical measurement system is designed and built, which can automatically distinguish the installation error of the imaging detector and assist the installation of the imaging detector. The translation installation error is less than 0.015mm, and the rotation deflection error is less than 0.015 ', and the installation qualification can be given according to the clarity of the observation system image.
With the development of technology, research on solar flares has been gradually developed, and the corresponding detection band also involves hard X-ray. Due to the particularity of hard X-ray, the collimator is generally used to observe it. When observing the sun, the load is required to point at the sun accurately. This paper mainly introduces an optical system for precise pointing to the sun of the solar hard X-ray imager. By optimizing the design, the measurement requirements are satisfied. In addition, the design results, system ghost images and measurement accuracy are analyzed and evaluated.
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