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Proceedings Paper

Laser spectroscopic detection of molecules and radicals during laser-tissue interaction in laser plumes
Author(s): Juergen Lademann; Hans-Juergen Weigmann
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Paper Abstract

Time resolved laser spectroscopic measurements have been used to investigate elementary processes responsible for the emitted substances during laser tissue interaction. The results confirm the data obtained with classical analytical methods. CN, OH, CH, and CH2 radicals were detected during the laser treatment of tissue. It has been found that the original molecules of tissue were reduced into basic compounds from which the emission products were formed. The relative concentration of the radicals depends on the surrounding gas atmosphere (O2, N2, He). In the presence of oxygen oxidation processes arise in rivalry with the formation of CN radicals and by this lower the concentration of stable cyano compounds.

Paper Details

Date Published: 1 February 1994
PDF: 7 pages
Proc. SPIE 2077, Laser Interaction with Hard and Soft Tissue, (1 February 1994); doi: 10.1117/12.168049
Show Author Affiliations
Juergen Lademann, Univ. der Bundeswehr Muenchen (Germany)
Hans-Juergen Weigmann, Universitaets Klinikum. Charite (Germany)

Published in SPIE Proceedings Vol. 2077:
Laser Interaction with Hard and Soft Tissue
Martin J. C. van Gemert; Rudolf W. Steiner; Lars Othar Svaasand; Hansjoerg Albrecht, Editor(s)

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