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Optica Publishing Group
  • Conference on Lasers and Electro-Optics
  • OSA Technical Digest (Optica Publishing Group, 1988),
  • paper THK1

Dynamics of ultraviolet laser ablation of polymer surfaces

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Abstract

The chemical nature of the reactions that are Involved in the UV laser ablation of polymers is far from clear. Fragmentation products such as atoms, diatomics, small molecules, and small fragments of the polymer chain are all observed.1 The ablation is believed to be a volume explosion2 which makes the production of small molecules important. The analysis of the dynamics of the process that we have proposed3 is based on a sequence of elementary chemical steps that are shown in Fig. 1. M is an absorption center (Chromophore) in a polymer chain which is electronically excited by a photon.

© 1988 Optical Society of America

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