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Self-optimizing approach for automated laser resonator alignment

: Brecher, C.; Schmitt, R.; Loosen, P.; Guerrero, V.; Pyschny, N.; Pavim, A.; Gatej, A.

Volltext urn:nbn:de:0011-n-1900311 (813 KByte PDF)
MD5 Fingerprint: 0191344bfd0f85ea4d66ad497bfe9050
Erstellt am: 13.10.2012

Optics and Lasers in Engineering 50 (2012), Nr.2, S.287-292
ISSN: 0143-8166
Zeitschriftenaufsatz, Elektronische Publikation
Fraunhofer IPT ()
Fraunhofer ILT ()

Nowadays, the assembly of laser systems is dominated by manual operations, involving elaborate alignment by means of adjustable mountings. From a competition perspective, the most challenging problem in laser source manufacturing is price pressure, a result of cost competition exerted mainly from Asia. From an economical point of view, an automated assembly of laser systems defines a better approach to produce more reliable units at lower cost. However, the step from todays manual solutions towards an automated assembly requires parallel developments regarding product design, automation equipment and assembly processes. This paper introduces briefly the idea of self-optimizing technical systems as a new approach towards highly flexible automation. Technically, the work focuses on the precision assembly of laser resonators, which is one of the final and most crucial assembly steps in terms of beam quality and laser power. The paper presents a new design approach for mini aturized laser systems and new automation concepts for a robot-based precision assembly, as well as passive and active alignment methods, which are based on a self-optimizing approach. Very promising results have already been achieved, considerably reducing the duration and complexity of the laser resonator assembly. These results as well as future development perspectives are discussed.