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Design of hard-edged unstable laser resonators with user defined mode shape

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


Wyrowski, F. ; Society of Photo-Optical Instrumentation Engineers -SPIE-, Bellingham/Wash.:
Wave-Optical Systems Engineering : 30 - 31 July 2001, San Diego, USA
Bellingham/Wash.: SPIE, 2001 (SPIE Proceedings Series 4436)
ISBN: 0-8194-4150-3
Conference "Wave-optical Systems Engineering" <2001, San Diego/Calif.>
Fraunhofer IOF ()
unstable laser; Laser resonator; diffractive optics

A design method for unstable laser resonators is presented offering the possibility of generating an user defined outcoupled beam profile. The described method based upon surface structured resonator mirrors as they are known from mode shaping of stable laser resonators. The design method is demonstrated by an example design of a hard-edged unstable resonator having a Gaussian intensity profile of the outcoupled beam.