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首页> 外文会议>Optical system alignment, tolerancing, and verification V >Reducing Asymmetric Imaging Errors through Selective Assembly and Tolerance Desensitization
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Reducing Asymmetric Imaging Errors through Selective Assembly and Tolerance Desensitization

机译：通过选择性装配和公差脱敏减少非对称成像误差

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Asymmetric imaging errors are frequently the main cause for tight tolerances and high demands on manufacture and assembly of optical systems. In order to simultaneously increase robustness and reduce manufacturing cost, desensitization strategies can be applied. Tolerance effects have been included into the optimization function (merit function) by some lens designers to find insensitive designs'"5 and frequently compensators are employed to further improve the performance of assembled lenses. Compensators are limited to a small number of system parameters, but selective assembly of components can extend the number of parameters available for compensation. It can be employed to reduce tolerance effects of disturbed parameters by finding the best matches out of a set of components. The potential of using tolerance desensitization in conjunction with selective assembly to reduce asymmetric errors in imaging optical systems is investigated. A focus is given on strategies to find tolerance insensitive design forms under the presence of selective assembly compensators and the selection of suitable parameters for desensitization and measurement.
机译：不对称的成像误差通常是导致严格的公差以及对光学系统的制造和组装的高要求的主要原因。为了同时提高耐用性并降低制造成本，可以应用脱敏策略。一些镜片设计者已经将公差效应包括在优化功能（优值功能）中，以找到不灵敏的设计5，并且经常采用补偿器来进一步改善组装好的镜片的性能。补偿器限于少数系统参数，但是零件的选择性装配可以扩展可用于补偿的参数的数量，可以通过从一组零件中找到最佳匹配来减少受干扰参数的公差影响。研究了成像光学系统中的非对称误差，重点研究了在存在选择性装配补偿器和选择合适的脱敏和测量参数的情况下寻找公差不敏感的设计形式的策略。

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