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Engineering of Automated Assembly of Beam-shaping Optics

机译:光束整形光学元件的自动组装工程

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Beam-shaping is essential for any kind of laser application. Assembly technologies for beam-shaping subassemblies are subject to intense research and development activities and their technical feasibility has been proven in recent years while economic viability requires more efficient engineering tools for process planning and production ramp up of complex assembly tasks for micro-optical systems. The work presented in this paper aims for significant reduction of process development and production ramp up times for the automated assembly of micro-optical subassemblies for beam-collimation and beam-tilting. The approach proposed bridges the gap between the product development phase and the realization of automation control through integration of established software tools such as optics simulation and CAD modeling as well as through introduction of novel software tools and methods to efficiently describe active alignment strategies. The focus of the paper is put on the methodological approach regarding the engineering of assembly processes for beam-shaping micro-optics and the formal representation of assembly objectives similar to representation in mechanical assemblies. Main topic of the paper is the engineering methodology for active alignment processes based on the classification of optical functions for beam-shaping optics and corresponding standardized measurement setups including adaptable alignment algorithms. The concepts are applied to industrial use-cases: (1) integrated collimation module for fast- and slow-axis and (2) beam-tilting subassembly consisting of a fast-axis collimator and micro-lens array. The paper concludes with an overview of current limitations as well as an outlook on the next development steps considering adhesive bonding processes.
机译:光束整形对于任何类型的激光应用都是必不可少的。光束整形子组件的组装技术受到广泛的研究和开发活动,其技术可行性已在近年来得到证明,而经济可行性要求更有效的工程工具来进行工艺规划和生产,以提高微光学系统的复杂组装任务。本文提出的工作旨在大幅减少用于光束准直和光束倾斜的微光学组件自动组装的工艺开发和生产量产时间。通过集成已建立的软件工具(例如光学仿真和CAD建模)以及通过引入新颖的软件工具和方法来有效描述主动对准策略,所提出的方法弥合了产品开发阶段与自动化控制实现之间的差距。本文的重点放在有关光束成形微光学组件的装配工艺工程以及类似于机械装配中的装配物镜的形式表示的方法学方法上。本文的主要主题是基于光束成形光学器件的光学功能分类和相应的标准化测量设置(包括自适应对准算法)的主动对准过程的工程方法。这些概念适用于工业用例:(1)集成的准直模块,用于快轴和慢轴;(2)光束倾斜组件,由快轴准直器和微透镜阵列组成。本文最后总结了当前的局限性以及对考虑粘接工艺的后续开发步骤的展望。

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