Comparative time resolved shadowgraphic imaging studies of nanosecond and picosecond laser transfer of organic materials

Ludovic Rapp; Christophe Cibert; Anne Patricia Alloncle; Philippe Delaporte; Sebastien Nenon; Christine Videlot-Ackermann; Frédéric Fages

doi:10.1117/12.817481

21 April 2009 Comparative time resolved shadowgraphic imaging studies of nanosecond and picosecond laser transfer of organic materials

Ludovic Rapp, Christophe Cibert, Anne Patricia Alloncle, Philippe Delaporte, Sebastien Nenon, Christine Videlot-Ackermann, Frédéric Fages

Author Affiliations +

Proceedings Volume 7131, XVII International Symposium on Gas Flow, Chemical Lasers, and High-Power Lasers; 71311L (2009) https://doi.org/10.1117/12.817481
Event: XVII International Symposium on Gas Flow and Chemical Lasers and High Power Lasers, 2008, Lisboa, Portugal

Abstract

A comparative study of the ejection dynamic of organic materials by Laser-Induced Forward Transfer technique has been performed using nanosecond and picosecond pulses for applications in plastic micro-electronics. The ejection of organic materials has been carried out with various thicknesses and with and without a sacrificial metallic release layer inserted between the substrate and the organic donor film. The advantage of this technique is to preserve organic layers from being damaged by thermal and photochemical effects during the interaction. The dynamic of the process has been investigated by shadowgraphic imaging during 1.5 μs after the laser irradiation, under atmospheric conditions. We have determined the velocity of the transferred material and studied the influence of the metallic layer during the ejection using a wide range of fluencies. The high directivity of the ejected material offers the possibilities of high spatial resolution for the manufacture of micro-structures in non contact LIFT technique. The study of the influence of the distance between the donor and acceptor substrates on the deposit functionality is discussed.

Citation Download Citation

Ludovic Rapp, Christophe Cibert, Anne Patricia Alloncle, Philippe Delaporte, Sebastien Nenon, Christine Videlot-Ackermann, and Frédéric Fages "Comparative time resolved shadowgraphic imaging studies of nanosecond and picosecond laser transfer of organic materials", Proc. SPIE 7131, XVII International Symposium on Gas Flow, Chemical Lasers, and High-Power Lasers, 71311L (21 April 2009); https://doi.org/10.1117/12.817481

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