Quasi-passive heat sink for high-power laser diodes

John Vetrovec

doi:10.1117/12.808658

23 February 2009 Quasi-passive heat sink for high-power laser diodes

John Vetrovec

Proceedings Volume 7198, High-Power Diode Laser Technology and Applications VII; 71980D (2009) https://doi.org/10.1117/12.808658
Event: SPIE LASE: Lasers and Applications in Science and Engineering, 2009, San Jose, California, United States

Abstract

We report on a novel heat sink for high-power laser diodes offering unparalleled capacity in high-heat flux handling and temperature control. The heat sink uses a liquid coolant flowing at high speed in a miniature closed and sealed loop. Diode waste heat is received at high flux and transferred to environment, coolant fluid, heat pipe, or structure at a reduced flux. When pumping solid-state or alkali vapor lasers, diode wavelength can be electronically tuned to the absorption features of the laser gain medium. This paper presents the heat sink physics, engineering design, performance modeling, and configurations.

Citation Download Citation

John Vetrovec "Quasi-passive heat sink for high-power laser diodes", Proc. SPIE 7198, High-Power Diode Laser Technology and Applications VII, 71980D (23 February 2009); https://doi.org/10.1117/12.808658

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