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22 August 2000 Assembly processes for micro-optical beam transformation systems for high-power diode laser bars and stacks
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Proceedings Volume 4178, MOEMS and Miniaturized Systems; (2000)
Event: Micromachining and Microfabrication, 2000, Santa Clara, CA, United States
High power diode lasers have become very attractive as an intelligent tool for direct material processing as well as pump sources for miniaturized solid state lasers and fiber lasers since optical beam transformation systems generate the required beam circularization from the originally highly asymmetric brightness of the output beam. This presentation focuses on reliable microassembling processes to realize micro-optical beam transformation systems for high power diode laser bars and stacks for the efficient coupling of the beam into optical fibers at reasonable costs. The modular semi automatic micro assembly set up realized consists of a six axes alignment system with an accuracy in the submicron range for the three spatial areas as well as microrad for the three rotational axes, a semi-automatic glue dispenser as well as respective grippers and magazines which are necessary for the handling of the micro optical components. The established automatic processes for the mounting of the fast axis collimation lenses are of particular interest for the assembly of e.g. fiber coupled modules of diode laser stacks whereas more than 20 fast-axis collimations are necessary.
© (2000) COPYRIGHT Society of Photo-Optical Instrumentation Engineers (SPIE). Downloading of the abstract is permitted for personal use only.
Claudia Gaertner, Veit Bluemel, Bernd Hoefer, Anke Kraeplin, Torsten Possner, and Peter Schreiber "Assembly processes for micro-optical beam transformation systems for high-power diode laser bars and stacks", Proc. SPIE 4178, MOEMS and Miniaturized Systems, (22 August 2000);

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