Laser ablation at 337 nm of nitrocellulose and nylon sensitized with organic dopants

Constantine D. Skordoulis; Constantine E. Kosmidis

doi:10.1117/12.144568

4 May 1993 Laser ablation at 337 nm of nitrocellulose and nylon sensitized with organic dopants

Constantine D. Skordoulis, Constantine E. Kosmidis

Proceedings Volume 1810, 9th International Symposium on Gas Flow and Chemical Lasers; (1993) https://doi.org/10.1117/12.144568
Event: Ninth International Symposium on Gas Flow and Chemical Lasers, 1992, Heraklion, Greece

Abstract

The laser induced ablative decomposition of nitrocellulose and nylon sensitized with organic dopants (Stilbene 420, Coumarin 120, and Rhodamine 6G) has been studied. Ablation with a low power nitrogen laser is hereby reported for the first time. With the addition of dyes strongly absorbing at 337 nm the photoetching rate of the pure materials can be significantly increased. A two step photochemical mechanism considering the decomposition of the polymers from excited electronic states and the energy transfer process from the dye to the polymer are discussed.

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Constantine D. Skordoulis and Constantine E. Kosmidis "Laser ablation at 337 nm of nitrocellulose and nylon sensitized with organic dopants", Proc. SPIE 1810, 9th International Symposium on Gas Flow and Chemical Lasers, (4 May 1993); https://doi.org/10.1117/12.144568

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