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Reliable 1 W CW VCSEL module for high optical power density

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4 Author(s)
Grabherr, M. ; Dept. of Optoelectron., Ulm Univ., Germany ; Miller, M. ; Jager, R. ; Ebeling, K.J.

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

Published in:

LEOS '99. IEEE Lasers and Electro-Optics Society 1999 12th Annual Meeting  (Volume:1 )

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