A compact Nd:YAG DPSSL using diamond-cooled technology

Hsian Pei Chou; Yu-Lin Wang; Victor H. Hasson; Daniel W. Trainor

doi:10.1117/12.611026

23 March 2005 A compact Nd:YAG DPSSL using diamond-cooled technology

Hsian Pei Chou, Yu-Lin Wang, Victor H. Hasson, Daniel W. Trainor

Proceedings Volume 5777, XV International Symposium on Gas Flow, Chemical Lasers, and High-Power Lasers; (2005) https://doi.org/10.1117/12.611026
Event: XV International Symposium on Gas Flow, Chemical Lasers, and High-Power Lasers, 2004, Prague, Czech Republic

Abstract

In our diamond-cooled approach, thin disks of laser gain material, e.g., Nd:YAG, are alternated between thin disks of single crystal synthetic diamond whose heat conductivity is over 2000 W/m-°K. The gain medium is face-pumped (along the optical axis) by the output of laser diode arrays. This optical configuration produces heat transfer from Nd:YAG to the diamond, in the direction of the optical axis, and then heat is rapidly conducted radially outward through the diamond to the cooling fluid circulating at the circumference of the diamond/YAG assembly. This geometry effectively removes the heat from the gain material in a manner that permits the attainment of high power output with excellent beam quality.

Citation Download Citation

Hsian Pei Chou, Yu-Lin Wang, Victor H. Hasson, and Daniel W. Trainor "A compact Nd:YAG DPSSL using diamond-cooled technology", Proc. SPIE 5777, XV International Symposium on Gas Flow, Chemical Lasers, and High-Power Lasers, (23 March 2005); https://doi.org/10.1117/12.611026

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