Title :
Formation of azimuthally polarized beams in isotropic-rod based laser oscillators
Author :
Moshe, Inon ; Jackel, Steven ; Meir, Abraham
Author_Institution :
Nonlinear Opt. Group, Soreq Nucl. Res. Center, Yavne´´el, Israel
Abstract :
We present a method that enable oscillators to operate at various levels of output power and polarization purity. Our approach is based on the bipolar lensing that arises in pumped isotropic solid-state rods, such as Nd:YAG. We combined both methods in a half-symmetric oscillator based on a diode-side-pumped Nd:YAG laser rod in a flat-flat resonator. Pump-power dependent thermal bipolar lensing and aperture size determine in this resonator the polarization extinction-ratio.
Keywords :
extinction coefficients; laser cavity resonators; light polarisation; neodymium; optical pumping; solid lasers; thermal lensing; YAG:Nd; YAl5O12:Nd; aperture size; azimuthally polarized beams; diode-side-pumped Nd:YAG laser rod; flat-flat resonator; half-symmetric oscillator; isotropic solid-state-rod; laser oscillator; polarization extinction-ratio; polarization purity; pump-power dependence; thermal bipolar lensing; Apertures; Fiber lasers; Laser beams; Lenses; Optical fiber polarization; Optical polarization; Optical resonators; Oscillators; Power generation; Thermal lensing;
Conference_Titel :
Lasers and Electro-Optics Europe, 2003. CLEO/Europe. 2003 Conference on
Print_ISBN :
0-7803-7734-6
DOI :
10.1109/CLEOE.2003.1312106
