Application of CO laser for frequency-selective surface heat treatment of polymer materials

Andrei A. Ionin; Yurii M. Klimachev; Henry Kobsa; Dmitrii V. Sinitsyn

doi:10.1117/12.321547

14 September 1998 Application of CO laser for frequency-selective surface heat treatment of polymer materials

Andrei A. Ionin, Yurii M. Klimachev, Henry Kobsa, Dmitrii V. Sinitsyn

Proceedings Volume 3343, High-Power Laser Ablation; (1998) https://doi.org/10.1117/12.321547
Event: High-Power Laser Ablation, 1998, Santa Fe, NM, United States

Abstract

Frequency selected Q-switched e-beam controlled-discharge CO- laser has been researched and developed for surface heat treatment of polymeric materials [poly(ethyleneterephthalate) and nylon] having strong absorption bands near wavelength of approximately 6 micrometer. The laser generates pulses (including short ones with duration (tau) _0.1 approximately 1 - 10 microsecond(s) ) having different spectral content within 4.9 - 6.5 micrometer spectral range. Different geometry and methods of irradiation were used to process samples with the laser radiation of different temporal, spectral and energy density characteristics. Different types of microstructure were formed on the surfaces of the samples. Experimental conditions corresponding to each type of microstructure were defined. Visual (macro) changes of polymeric material properties (if any) and their correlation with formed microstructures were analyzed.

Citation Download Citation

Andrei A. Ionin, Yurii M. Klimachev, Henry Kobsa, and Dmitrii V. Sinitsyn "Application of CO laser for frequency-selective surface heat treatment of polymer materials", Proc. SPIE 3343, High-Power Laser Ablation, (14 September 1998); https://doi.org/10.1117/12.321547

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