Title :
Generation of near diffraction free beams in Yb:YAG laser using an intracavity lens with spherical aberration
Author :
Senatsky, Yu. ; Shirakawa, A. ; Ueda, K.
Author_Institution :
P.N. Lebedev Phys. Inst., Russian Acad. of Sci., Moscow, Russia
Abstract :
The present work offers a scheme where a simple plano-convex intracavity lens with a strong spherical aberration was used in Yb:YAG laser for the generation of ndf beams. A 9.8% at. Yb:YAG ceramics plane-parallel plate (9x11x1.1 mm) mounted on a copper cooler was end-pumped by a cw fiber-coupled laser diode at room temperature. The pump radiation (power 0.1-1.5 W) was focused into the plate to a circular spot with a bell-shaped intensity profile of ~100 mum halfwidth.
Keywords :
aberrations; laser beams; laser cavity resonators; lenses; optical focusing; optical pumping; solid lasers; ytterbium; YAG:Yb; ceramics plane-parallel plate; diffraction free beam generation; end-pumped laser; laser beams; optical focusing; plano-convex intracavity lens; spherical aberration; temperature 293 K to 298 K; Diffraction; Fiber lasers; Focusing; Laser beams; Laser modes; Laser theory; Lenses; Mirrors; Optical propagation; Surface emitting lasers;
Conference_Titel :
Lasers and Electro-Optics 2009 and the European Quantum Electronics Conference. CLEO Europe - EQEC 2009. European Conference on
Conference_Location :
Munich
Print_ISBN :
978-1-4244-4079-5
Electronic_ISBN :
978-1-4244-4080-1
DOI :
10.1109/CLEOE-EQEC.2009.5192544
