Title :
Far-Field Focusing Effect of an Inverse Thermal Lens Inside High-Power Lasers
Author_Institution :
NUSOD Inst. LLC, Newark, DE, USA
Abstract :
Far-field widening in high-power lasers is mainly caused by lateral thermal lens formation. Pedestal heat sinking is shown to generate an inverse thermal lens leading to beam narrowing by destabilizing higher order lateral modes.
Keywords :
laser beams; laser modes; optical focusing; quantum well lasers; thermal lensing; beam narrowing; far-field focusing effect; far-field widening; high-power lasers; higher order lateral mode destabilization; inverse thermal lens; lateral thermal lens formation; pedestal heat sinking; Heat sinks; Laser modes; Lenses; Semiconductor lasers; Thermal lensing; Waveguide lasers;
Conference_Titel :
Semiconductor Laser Conference (ISLC), 2014 International
Conference_Location :
Palma de Mallorca
Print_ISBN :
978-1-4799-5721-7
DOI :
10.1109/ISLC.2014.140
