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Consideration on the use of design freedoms for resonator originated beam shaping

: Zeitner, U.D.; Wyrowski, F.

Dickey, F.M. ; Society of Photo-Optical Instrumentation Engineers -SPIE-, Bellingham/Wash.:
Laser Beam Shaping
Bellingham/Wash.: SPIE, 2000 (SPIE Proceedings Series 4095)
ISBN: 0-8194-3740-9
Conference on Laser Beam Shaping, <2000, San Diego/Calif.>
Fraunhofer IOF ()

A general resonator concept is discussed offering the flexibility of decoupling the mode shape inside and the laser beam outside of the laser resonator. Two examples for the use of the resulting design freedoms for optimization of the laser system are presented. The influence of the non-static behaviour of the active laser medium on the stability of the laser operation is discussed and design methods for improvement of this stability are presented.