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Proceedings Paper

Assembly of fast-axis collimating lenses with high-power laser diode bars
Author(s): Torsten Possner; Bernhard Messerschmidt; Anke Kraeplin; Veit Bluemel; Bernd Hoefer; Peter Schreiber
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Paper Abstract

The assembly of fast-axis collimating lenses (FAC-) with high power laser diode (HPLD) bars and stacks is discussed. FAC-lenses are cylindrical lenses of high numerical aperture and short focal length for the collimation of the strongly divergent radiation emitted perpendicular to the active region of a high power laser diode bar. These FAC-lenses are necessary for all kinds of beam transformation systems using HPLD bars and stacks. The lenses have to be fixed at the heat sink of the laser diode bar with an accuracy of < 0.3 micrometers and for special transformation system with a definite tilt of 1.2 degrees and an accuracy of better than mrad. In most cases an active assembly of the whole beam transformation system is necessary. Here we propose another approach.

Paper Details

Date Published: 27 April 2000
PDF: 8 pages
Proc. SPIE 3952, Optoelectronic Interconnects VII; Photonics Packaging and Integration II, (27 April 2000); doi: 10.1117/12.384424
Show Author Affiliations
Torsten Possner, Fraunhofer Institut Angewandte Optik und Feinmechanik (Germany)
Bernhard Messerschmidt, Fraunhofer Institut Angewandte Optik und Feinmechanik (Germany)
Anke Kraeplin, Applikationszentrum Mikrotechnik Jena (Germany)
Veit Bluemel, JENOPTIK Laserdiode GmbH (Germany)
Bernd Hoefer, Fraunhofer Institut Angewandte Optik und Feinmechanik (Germany)
Peter Schreiber, Fraunhofer Institut Angewandte Optik und Feinmechanik (Germany)


Published in SPIE Proceedings Vol. 3952:
Optoelectronic Interconnects VII; Photonics Packaging and Integration II
Michael R. Feldman; Richard Liqiang Li; Michael R. Feldman; Richard Liqiang Li; W. Brian Matkin; Suning Tang, Editor(s)

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