Accession Number:

ADA134875

Title:

Theoretical Aspects of Laser-Induced Periodic Surface Structure Formation,

Descriptive Note:

Corporate Author:

ROCHESTER UNIV NY DEPT OF CHEMISTRY

Report Date:

1983-11-01

Pagination or Media Count:

13.0

Abstract:

Laser-induced periodic pattern formation has been observed on a variety of substances. In particular, low-power laser have been used to deposit a pattern on a metal surface. For a relatively smooth surface grating, this pattern can be explained in terms of a perturbative solution of Maxwells equations. However, as the surface grating is enhanced by this initial deposition, the perturbation solution breaks down. An alternate non-perturbative solution of Maxwells equations for such rough surfaces is considered here. Moreover, other possible mechanisms that may assist pattern formation are discussed, such as field-enhanced evaporation and surface migration. Author

Subject Categories:

  • Physical Chemistry
  • Lasers and Masers

Distribution Statement:

APPROVED FOR PUBLIC RELEASE