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Adjustment robot for fiber optics assemblies

: Guyenot, V.; Siebenhaar, C.; Peschel, T.; Gebhardt, A.; Damm, C.; Harnisch, G.; Thaut, M.; Rohde, M.; Maisenbacher, B.; Nebendahl, B.; Barnhart, D.; Pieper, K.


Hatheway, A.E. ; Society of Photo-Optical Instrumentation Engineers -SPIE-, Bellingham/Wash.:
Optomechanical Design and Engineering 2002 : 7 - 9 July 2002, Seattle, USA
Bellingham/Wash.: SPIE, 2002 (SPIE Proceedings Series 4771)
ISBN: 0-8194-4538-X
Conference "Optomechanical Design and Engineering" <2002, Seattle/Wash.>
Conference Paper
Fraunhofer IOF ()
adjustment robot; fiber optic assembly; precise adjustment; optical component; stepped momentum transfer; stroke actuator; impulse hammer; pre-stressed fiber-optical component; motion behaviour; pushed component; frictional force; adjustment method; automatic adjustment machine; single-mode fiber assembly; microassembly; automated assembly; fiber positioning; alignment procedure; electromagnetic actuator

Precise adjustment of the optical components may be achieved by stepped transfer of momentum via special stroke actuators (impulse hammers), which act onto a pre-stressed fiber-optical component. The motion of the component is controlled by a computer and a measurement device. The present paper discusses theory and experiment of this adjustment method, in particular the motion behavior of pushed components under the influence of applied momentum, pre-stressing and frictional forces. Additionally it describes generically the wide application range of this adjustment method. In particular the paper describes an innovative, automatic adjustment machine (robot) for the alignment of a single-mode fiber assembly, which was developed by the German Fraunhofer-Institute for Applied Optics and Precision Engineering (IOF) in collaboration with Agilent Technologies Inc. The achieved adjustment accuracy for the fiber optical assembly is in a low micron range for the focusing motion and in a sub-micron for entering of the optics.