Investigation of positive and negative ionic products from laser ablation of polymers

E. E.B. Campbell; G. Ulmer; B. Hasselberger; I. V. Hertel

doi:10.1016/0169-4332(89)90237-7

Investigation of positive and negative ionic products from laser ablation of polymers

E. E.B. Campbell, G. Ulmer, B. Hasselberger, I. V. Hertel

Department of Physics

Research output: Contribution to journal › Article › peer-review

26 Scopus citations

Abstract

The ionic products from ultraviolet laser photoablation of polyimide and polystyrene have been studied as a function of laser fluence and wavelength. The negative ion spectra give a distinctive "fingerprint" of the polymer sample. The fragments are removed from the surface in a supersonic expansion. Ionic fragments have substantially larger velocities than neutral fragments. The ablation is seen to occur via multi-photon processes.

Original language	English
Pages (from-to)	346-351
Number of pages	6
Journal	Applied Surface Science
Volume	43
Issue number	1-4
DOIs	https://doi.org/10.1016/0169-4332(89)90237-7
State	Published - 2 Dec 1989

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title = "Investigation of positive and negative ionic products from laser ablation of polymers",

abstract = "The ionic products from ultraviolet laser photoablation of polyimide and polystyrene have been studied as a function of laser fluence and wavelength. The negative ion spectra give a distinctive {"}fingerprint{"} of the polymer sample. The fragments are removed from the surface in a supersonic expansion. Ionic fragments have substantially larger velocities than neutral fragments. The ablation is seen to occur via multi-photon processes.",

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AU - Campbell, E. E.B.

AU - Ulmer, G.

AU - Hasselberger, B.

AU - Hertel, I. V.

PY - 1989/12/2

Y1 - 1989/12/2

N2 - The ionic products from ultraviolet laser photoablation of polyimide and polystyrene have been studied as a function of laser fluence and wavelength. The negative ion spectra give a distinctive "fingerprint" of the polymer sample. The fragments are removed from the surface in a supersonic expansion. Ionic fragments have substantially larger velocities than neutral fragments. The ablation is seen to occur via multi-photon processes.

AB - The ionic products from ultraviolet laser photoablation of polyimide and polystyrene have been studied as a function of laser fluence and wavelength. The negative ion spectra give a distinctive "fingerprint" of the polymer sample. The fragments are removed from the surface in a supersonic expansion. Ionic fragments have substantially larger velocities than neutral fragments. The ablation is seen to occur via multi-photon processes.

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VL - 43

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JO - Applied Surface Science

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Investigation of positive and negative ionic products from laser ablation of polymers

Abstract

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