Comparison of self-organized micro/nanostructure formation on copper using dual-pulse versus single-pulse femtosecond laser surface processing

Craig A. Zuhlke, Nick Roth, Aaron Ediger, Alfred Tsubaki, Edwin Peng, Mark Anderson, Corey Kruse, Jeffrey Shield, George Gogos, Dennis R. Alexander

Research output: Chapter in Book/Report/Conference proceedingConference contribution

Abstract

The use of self-organized micro/nanostructured surfaces formed using femtosecond laser surface processing (FLSP) techniques has become a promising area of research for enhancing surface properties of metals, with many applications including enhancing heat transfer. In this work, we demonstrate advantages of the use of dual-pulse versus single-pulse FLSP techniques to produce self-organized micro/nanostructures on copper. With the dual-pulse technique, the femtosecond pulses out of the laser (spaced 1 ms apart) are split into pulse pairs spaced < 1 ns apart and are focused collinear on the sample surface. Single-pulse FLSP techniques have been widely used to produce self-organized "mound-like" structures on a wide range of metals including a number of stainless steel alloys, aluminum, nickel, titanium, and recently on copper. Due to its high thermal conductivity, copper is used in many critical heat transfer applications and micro/nanostructured copper surfaces are desired to further improve heat transfer characteristics. Using single-pulse (pulses spaced 1 ms apart) FLSP techniques, self-organized microstructure formation on copper requires much higher pulse fluence than is commonly used for producing microstructures on other metals, which results in instabilities during laser processing (non-uniform surfaces), low processing efficiency, and limitations on the control of the types of structures produced. In this paper, we report results that demonstrate that the dual-pulse FLSP technique can be used to produce microstructures on copper more efficiently than using single-pulse FLSP, with better control of the surface structures produced. Cross-sectional subsurface microstructure analysis is also presented for single-pulse versus dual-pulse FLSP functionalized copper surfaces.

Original languageEnglish (US)
Title of host publicationLaser-Based Micro- and Nanoprocessing XIII
EditorsUdo Klotzbach, Akira Watanabe, Rainer Kling
PublisherSPIE
ISBN (Electronic)9781510624542
DOIs
StatePublished - Jan 1 2019
EventLaser-Based Micro- and Nanoprocessing XIII 2019 - San Francisco, United States
Duration: Feb 5 2019Feb 7 2019

Publication series

NameProceedings of SPIE - The International Society for Optical Engineering
Volume10906
ISSN (Print)0277-786X
ISSN (Electronic)1996-756X

Conference

ConferenceLaser-Based Micro- and Nanoprocessing XIII 2019
CountryUnited States
CitySan Francisco
Period2/5/192/7/19

Fingerprint

Femtosecond Laser Pulses
Ultrashort pulses
Nanostructures
Copper
Laser pulses
copper
Processing
pulses
lasers
Microstructure
microstructure
Metals
Heat Transfer
heat transfer
Heat transfer
Femtosecond Laser
metals
Lasers
Laser Processing
Stainless Steel

Keywords

  • Femtosecond dual-pulse
  • Femtosecond laser surface processing
  • Surface functionalization

ASJC Scopus subject areas

  • Electronic, Optical and Magnetic Materials
  • Condensed Matter Physics
  • Computer Science Applications
  • Applied Mathematics
  • Electrical and Electronic Engineering

Cite this

Zuhlke, C. A., Roth, N., Ediger, A., Tsubaki, A., Peng, E., Anderson, M., ... Alexander, D. R. (2019). Comparison of self-organized micro/nanostructure formation on copper using dual-pulse versus single-pulse femtosecond laser surface processing. In U. Klotzbach, A. Watanabe, & R. Kling (Eds.), Laser-Based Micro- and Nanoprocessing XIII [109060Q] (Proceedings of SPIE - The International Society for Optical Engineering; Vol. 10906). SPIE. https://doi.org/10.1117/12.2507285

Comparison of self-organized micro/nanostructure formation on copper using dual-pulse versus single-pulse femtosecond laser surface processing. / Zuhlke, Craig A.; Roth, Nick; Ediger, Aaron; Tsubaki, Alfred; Peng, Edwin; Anderson, Mark; Kruse, Corey; Shield, Jeffrey; Gogos, George; Alexander, Dennis R.

Laser-Based Micro- and Nanoprocessing XIII. ed. / Udo Klotzbach; Akira Watanabe; Rainer Kling. SPIE, 2019. 109060Q (Proceedings of SPIE - The International Society for Optical Engineering; Vol. 10906).

Research output: Chapter in Book/Report/Conference proceedingConference contribution

Zuhlke, CA, Roth, N, Ediger, A, Tsubaki, A, Peng, E, Anderson, M, Kruse, C, Shield, J, Gogos, G & Alexander, DR 2019, Comparison of self-organized micro/nanostructure formation on copper using dual-pulse versus single-pulse femtosecond laser surface processing. in U Klotzbach, A Watanabe & R Kling (eds), Laser-Based Micro- and Nanoprocessing XIII., 109060Q, Proceedings of SPIE - The International Society for Optical Engineering, vol. 10906, SPIE, Laser-Based Micro- and Nanoprocessing XIII 2019, San Francisco, United States, 2/5/19. https://doi.org/10.1117/12.2507285
Zuhlke CA, Roth N, Ediger A, Tsubaki A, Peng E, Anderson M et al. Comparison of self-organized micro/nanostructure formation on copper using dual-pulse versus single-pulse femtosecond laser surface processing. In Klotzbach U, Watanabe A, Kling R, editors, Laser-Based Micro- and Nanoprocessing XIII. SPIE. 2019. 109060Q. (Proceedings of SPIE - The International Society for Optical Engineering). https://doi.org/10.1117/12.2507285
Zuhlke, Craig A. ; Roth, Nick ; Ediger, Aaron ; Tsubaki, Alfred ; Peng, Edwin ; Anderson, Mark ; Kruse, Corey ; Shield, Jeffrey ; Gogos, George ; Alexander, Dennis R. / Comparison of self-organized micro/nanostructure formation on copper using dual-pulse versus single-pulse femtosecond laser surface processing. Laser-Based Micro- and Nanoprocessing XIII. editor / Udo Klotzbach ; Akira Watanabe ; Rainer Kling. SPIE, 2019. (Proceedings of SPIE - The International Society for Optical Engineering).
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