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Proceedings Article

Formation of microtower structures on liquid metal surfaces under nanosecond laser ablation

[+] Author Affiliations
A. N. Panchenko, M. A. Shulepov, A. E. Tel'minov

Institute of High Current Electronics (Russian Federation)

N. M. Bulgakova

Institute of Thermophysics (Russian Federation)

Proc. SPIE 7994, LAT 2010: International Conference on Lasers, Applications, and Technologies, 79940N (February 07, 2011); doi:10.1117/12.878442
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From Conference Volume 7994

  • LAT 2010: International Conference on Lasers, Applications, and Technologies
  • Vladislav Panchenko; Gérard Mourou; Aleksei M. Zheltikov
  • Kazan, Russian Federation | August 23, 2010

abstract

Formation of stable micro-protrusions and microstructures ("microtowers") on surface of liquid metals during multipulse irradiation by UV and IR lasers in different ambient gases was discovered. The rates of the structure formation have been measured which can reach 5 - 20 μm/pulse depending on the metal and ambient gas sort. Single micro-protrusions 1-2 mm in length were formed with diameter approximately two times greater than the focal spot size. The possibility to control the microstructure shape is shown and their potential applications are demonstrated.

© (2010) COPYRIGHT SPIE--The International Society for Optical Engineering. Downloading of the abstract is permitted for personal use only.
Citation

A. N. Panchenko ; N. M. Bulgakova ; M. A. Shulepov and A. E. Tel'minov
"Formation of microtower structures on liquid metal surfaces under nanosecond laser ablation", Proc. SPIE 7994, LAT 2010: International Conference on Lasers, Applications, and Technologies, 79940N (February 07, 2011); doi:10.1117/12.878442; http://dx.doi.org/10.1117/12.878442


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