Title :
Reliable 1 W CW VCSEL module for high optical power density
Author :
Grabherr, M. ; Miller, M. ; Jäger, R. ; Ebeling, K.J.
Author_Institution :
Dept. of Optoelectron., Ulm Univ., Germany
Abstract :
In this paper we demonstrate a VCSEL array module optimized for high power densities. We obtain 1 Watt in a near field area of about 0.123 mm2 which is easily focused by a single lens to power densities of several kW/cm2 useful for direct material processing
Keywords :
laser reliability; semiconductor laser arrays; surface emitting lasers; 1 W; CW VCSEL array module; high power semiconductor laser; material processing; optical power density; reliability; Costs; Heat sinks; Optical pumping; Power generation; Power lasers; Pump lasers; Semiconductor laser arrays; Semiconductor lasers; Threshold current; Vertical cavity surface emitting lasers;
Conference_Titel :
LEOS '99. IEEE Lasers and Electro-Optics Society 1999 12th Annual Meeting
Conference_Location :
San Francisco, CA
Print_ISBN :
0-7803-5634-9
DOI :
10.1109/LEOS.1999.813581
