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Optimization of micro channel heat sinks for high power diode lasers in copper technology

: Ebert, T.; Biesenbach, J.; Loosen, P.; Poprawe, R.; Treusch, H.G.

	Beckmann, L.H.J.F. ; European Optical Society -EOS-: Lasers in material processing Bellingham, Wash.: SPIE, 1997 (Europto series) ISBN: 0-8194-2517-6 pp.578-582 : Ill., Lit.
	Conference on Lasers in Material Processing <1997, München>

	English
	Conference Paper
	Fraunhofer ILT ()
	copper heat sink; heat sink; high power laser diode; laser array; laser diode; micro channel; micro channel heat sink; micro cooler; micro cooling system

Abstract
Basis of the developments discussed in the presentation are 10 mm GaAs diode laser bars mounted on copper micro channel heat sinks. Optimizing the micro channel heat sinks leads to decreased thermal resistance and decreased pressure drop. In the presentation the steps to ten times reduced pressure drop and optical power output of the diode lasers of over 100 Watts will be described.

: http://publica.fraunhofer.de/documents/PX-27520.html