Title :
Design of unstable laser resonators with user-defined mode shape
Author :
Zeitner, Uwe D. ; Wyrowski, Frank
Author_Institution :
Fraunhofer Inst. fur Angewandte Optik und Fein- mechanik, Jena, Germany
fDate :
12/1/2001 12:00:00 AM
Abstract :
By introducing surface-structured mirrors into stable laser resonators, the generation of user-defined mode profiles and properties has become possible. On a wave-optical basis, we show that there is a general connection between the property of the modes to be phase-conjugated during reflection at the mirrors and their diffraction losses at apertures. This connection makes the design method known for stable resonators with predefined modes unsuitable for the design of such resonators of unstable geometry. An alternative method for the calculation of unstable resonators with user-defined output beam shape is presented and demonstrated by an example design
Keywords :
Fabry-Perot resonators; laser beams; laser cavity resonators; laser mirrors; laser modes; laser stability; light diffraction; light reflection; optical design techniques; optical losses; optical phase conjugation; apertures; design; design method; diffraction losses; example design; mirrors; phase-conjugated modes; predefined modes; reflection; resonators; stable laser resonators; stable resonators; surface-structured mirrors; unstable geometry; unstable laser resonators; unstable resonators; user-defined mode profiles; user-defined mode properties; user-defined mode shape; user-defined output beam shape; wave-optical basis; Apertures; Design methodology; Diffraction; Laser modes; Laser stability; Mirrors; Optical design; Optical reflection; Shape; Surface emitting lasers;
Journal_Title :
Quantum Electronics, IEEE Journal of
