By Topic

Laser metal interaction in vacuum

Sign In

Cookies must be enabled to login.After enabling cookies , please use refresh or reload or ctrl+f5 on the browser for the login options.

Formats Non-Member Member
$33 $13
Learn how you can qualify for the best price for this item!
Become an IEEE Member or Subscribe to
IEEE Xplore for exclusive pricing!
close button

puzzle piece

IEEE membership options for an individual and IEEE Xplore subscriptions for an organization offer the most affordable access to essential journal articles, conference papers, standards, eBooks, and eLearning courses.

Learn more about:

IEEE membership

IEEE Xplore subscriptions

2 Author(s)
Newstein, M. ; Polytechnic Institute of Brooklyn, Farmingdale, NY, USA ; Solimene, N.

We investigate the processes by which energy is exchanged when a laser pulse is incident on a metal surface, originally in vacuum. The thermal state of the metal is determined by numerical solution of the nonlinear heat transfer equations. A method is described for extrapolating data on material thermal properties which are usually given at lower temperatures. Results are compared with the predictions of a steady-state calculation. Kinetic equations describing the growth of a plasma in the ablated vapor are formulated to describe effects of importance in the early stages of the plasma evolution process, when strong longitudinal spatial gradients cause thermal diffusion effects to dominate hydrodynamic expansion. Numerical studies of these equations indicate several distinct periods, during each of which a different physical mechanism takes on primary importance. Features of the numerical results pertaining to the propagation of the discharge front are deduced from an analytic model of the breakdown process.

Published in:

Quantum Electronics, IEEE Journal of  (Volume:17 ,  Issue: 10 )