Fs laser surface processing of platinum

Stephen W. Brown, Andrew E. Fisk, Edward William Reutzel

Research output: Contribution to conferencePaper

Abstract

The production of nanometer-scale features on platinum samples was investigated with the use of a femtosecond (fs) laser system operational at IR, visible and UV wavelengths. Laser induced surface structures were produced having globular nanoprotrusions with apparent length scales ranging from sub-nanometer diameters to 100's of nanometers, dependent on the laser parameters employed. Analysis of Field Emission Scanning Electron Microscope (FE-SEM) images revealed that each surface contained a distribution of structure sizes for which the frequency of occurrence for a given size increased appreciably as the particle/globule diameter decreased. In the field of biomedical implants, there is increasing interest in surface texturing to promote tissue in-growth as well as porous structures which promote delayed drug release. The nanometer-scaled features investigated may be applicable to such implants.

Original languageEnglish (US)
Pages710-719
Number of pages10
StatePublished - Dec 1 2012
Event31st International Congress on Applications of Lasers and Electro-Optics, ICALEO 2012 - Anaheim, CA, United States
Duration: Sep 23 2012Sep 27 2012

Other

Other31st International Congress on Applications of Lasers and Electro-Optics, ICALEO 2012
CountryUnited States
CityAnaheim, CA
Period9/23/129/27/12

Fingerprint

Platinum
Lasers
Texturing
Processing
Ultrashort pulses
Surface structure
Field emission
Electron microscopes
Tissue
Scanning
Wavelength
Pharmaceutical Preparations

All Science Journal Classification (ASJC) codes

  • Electronic, Optical and Magnetic Materials

Cite this

Brown, S. W., Fisk, A. E., & Reutzel, E. W. (2012). Fs laser surface processing of platinum. 710-719. Paper presented at 31st International Congress on Applications of Lasers and Electro-Optics, ICALEO 2012, Anaheim, CA, United States.
Brown, Stephen W. ; Fisk, Andrew E. ; Reutzel, Edward William. / Fs laser surface processing of platinum. Paper presented at 31st International Congress on Applications of Lasers and Electro-Optics, ICALEO 2012, Anaheim, CA, United States.10 p.
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Brown, SW, Fisk, AE & Reutzel, EW 2012, 'Fs laser surface processing of platinum' Paper presented at 31st International Congress on Applications of Lasers and Electro-Optics, ICALEO 2012, Anaheim, CA, United States, 9/23/12 - 9/27/12, pp. 710-719.

Fs laser surface processing of platinum. / Brown, Stephen W.; Fisk, Andrew E.; Reutzel, Edward William.

2012. 710-719 Paper presented at 31st International Congress on Applications of Lasers and Electro-Optics, ICALEO 2012, Anaheim, CA, United States.

Research output: Contribution to conferencePaper

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AB - The production of nanometer-scale features on platinum samples was investigated with the use of a femtosecond (fs) laser system operational at IR, visible and UV wavelengths. Laser induced surface structures were produced having globular nanoprotrusions with apparent length scales ranging from sub-nanometer diameters to 100's of nanometers, dependent on the laser parameters employed. Analysis of Field Emission Scanning Electron Microscope (FE-SEM) images revealed that each surface contained a distribution of structure sizes for which the frequency of occurrence for a given size increased appreciably as the particle/globule diameter decreased. In the field of biomedical implants, there is increasing interest in surface texturing to promote tissue in-growth as well as porous structures which promote delayed drug release. The nanometer-scaled features investigated may be applicable to such implants.

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Brown SW, Fisk AE, Reutzel EW. Fs laser surface processing of platinum. 2012. Paper presented at 31st International Congress on Applications of Lasers and Electro-Optics, ICALEO 2012, Anaheim, CA, United States.