Expand this Topic clickable element to expand a topic
Skip to content
Optica Publishing Group

Temperature distributions produced by scanning Gaussian laser beams

Not Accessible

Your library or personal account may give you access

Abstract

A general solution is presented for the temperature rise produced by the absorption of a scanning Gaussian laser beam in a solid target. In normalized coordinates, the temperature rise is found to depend only on the ratio of the scan speed to the rate of heat diffusion in the solid and the ratio of the beam radius to the absorption depth. For slow scan speeds the solution simplifies to the steady-state approximation in which the power input is balanced by heat conduction into the solid. For fast scan speeds the solution approaches the energy density limit in which the temperature rise is proportional to the integrated beam intensity. For highly absorbing materials the solution simplifies to the surface absorption approximation. The general solution demonstrates the conditions under which each approximation can be used. Similar solutions are found for the related case of pulsed exposure by a stationary beam. The solution is demonstrated experimentally by exposing thermal paper with a CO2 laser.

© 1984 Optical Society of America

Full Article  |  PDF Article
More Like This
Target temperature distribution generated and maintained by a scanning laser beam

Marija S. Scholl
Appl. Opt. 21(12) 2146-2152 (1982)

Laser heating of an aqueous aerosol particle

Gideon Sageev and John H. Seinfeld
Appl. Opt. 23(23) 4368-4374 (1984)

Temperature distribution in a uniform medium heated by linear absorption of a Gaussian light beam

Pablo Loza, Dmitri Kouznetsov, and Roberto Ortega
Appl. Opt. 33(18) 3831-3836 (1994)

Cited By

You do not have subscription access to this journal. Cited by links are available to subscribers only. You may subscribe either as an Optica member, or as an authorized user of your institution.

Contact your librarian or system administrator
or
Login to access Optica Member Subscription

Figures (7)

You do not have subscription access to this journal. Figure files are available to subscribers only. You may subscribe either as an Optica member, or as an authorized user of your institution.

Contact your librarian or system administrator
or
Login to access Optica Member Subscription

Equations (31)

You do not have subscription access to this journal. Equations are available to subscribers only. You may subscribe either as an Optica member, or as an authorized user of your institution.

Contact your librarian or system administrator
or
Login to access Optica Member Subscription

Select as filters


Select Topics Cancel
© Copyright 2024 | Optica Publishing Group. All Rights Reserved