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Optics Express

Optics Express

  • Editor: J. H. Eberly
  • Vol. 4, Iss. 1 — Jan. 4, 1999
  • pp: 27–32

Intensification of heat transfer in high-power laser diode bars by means of a porous metal heat-sink

V.V. Apollonov, S.I. Derzhavin, V.V. Kuzminov, D.A. Mashkovskiy, V.N. Timoshkin, and V.A. Philonenko  »View Author Affiliations

Optics Express, Vol. 4, Issue 1, pp. 27-32 (1999)

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To intensify a heat transfer in high-power emitters based on laser diode bars we propose the use of a heat sink from a porous permeable material cooled by a fluid flow [1–3]. The main advantage of this class of materials is the possibility of removing significant heat flows with compact heat sink. An analysis of the characteristic values of the thermal loads and their relations with the material and liquid parameters drawn from an one-dimensional model of stationary one-sided heat exchange shows the possibility of heat flow removal of more than 1.5 kW/cm2 at room temperature in a liquid. Methods for improving the effectiveness of the strategy are considered.

© Optical Society of America

OCIS Codes
(140.2010) Lasers and laser optics : Diode laser arrays
(140.6810) Lasers and laser optics : Thermal effects

ToC Category:
Focus Issue: Diode-pumped lasers

Original Manuscript: December 3, 1998
Published: January 4, 1999

V. V. Apollonov, S. Derzhavin, V. Kuzminov, D. Mashkovskiy, V. Timoshkin, and V. Philonenko, "Intensification of heat transfer in high-power laser diode bars by means of porous metal heat-sink," Opt. Express 4, 27-32 (1999)

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