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Article Dans Une Revue Scientific Reports Année : 2015

In-situ characterization of nanoparticle beams focused with an aerodynamic lens by Laser-Induced Breakdown Detection

Résumé

The Laser-Induced Breakdown Detection technique (LIBD) was adapted to achieve fast in-situ characterization of nanoparticle beams focused under vacuum by an aerodynamic lens. The method employs a tightly focused, 21 μm, scanning laser microprobe which generates a local plasma induced by the laser interaction with a single particle. A counting mode optical detection allows the achievement of 2D mappings of the nanoparticle beams with a reduced analysis time thanks to the use of a high repetition rate infrared pulsed laser. As an example, the results obtained with Tryptophan nanoparticles are presented and the advantages of this method over existing ones are discussed.

Domaines

Matériaux
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Dates et versions

hal-01228537 , version 1 (26-11-2015)

Identifiants

Citer

F.-A. Barreda, Christophe Nicolas, Jean-Baptiste Sirven, F.X. Ouf, J.L. Lacour, et al.. In-situ characterization of nanoparticle beams focused with an aerodynamic lens by Laser-Induced Breakdown Detection. Scientific Reports, 2015, 5, pp.15696. ⟨10.1038/srep15696⟩. ⟨hal-01228537⟩
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