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Proceedings Paper

Engineering of automated assembly of beam-shaping optics
Author(s): Sebastian Haag; Volker Sinhoff; Tobias Müller; Christian Brecher
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Paper Abstract

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.

Paper Details

Date Published: 4 March 2014
PDF: 10 pages
Proc. SPIE 8960, Laser Resonators, Microresonators, and Beam Control XVI, 89601O (4 March 2014); doi: 10.1117/12.2040522
Show Author Affiliations
Sebastian Haag, Fraunhofer-Institut für Produktionstechnologie (Germany)
Volker Sinhoff, INGENERIC GmbH (Germany)
Tobias Müller, Fraunhofer-Institut für Produktionstechnologie (Germany)
Christian Brecher, Fraunhofer-Institut für Produktionstechnologie (Germany)

Published in SPIE Proceedings Vol. 8960:
Laser Resonators, Microresonators, and Beam Control XVI
Alexis V. Kudryashov; Alan H. Paxton; Vladimir S. Ilchenko; Lutz Aschke; Kunihiko Washio, Editor(s)

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