Characterization of the spatial resolution in two-photon spectroscopic techniques used for plasma diagnostics

M. Garcia-Lechuga; L. M. Fuentes; K. Gruetzmacher; C. Perez; M. I. de la Rosa

doi:10.1117/12.2026186

18 November 2013 Characterization of the spatial resolution in two-photon spectroscopic techniques used for plasma diagnostics

M. Garcia-Lechuga, L. M. Fuentes, K. Gruetzmacher, C. Perez, M. I. de la Rosa

Author Affiliations +

Proceedings Volume 8785, 8th Iberoamerican Optics Meeting and 11th Latin American Meeting on Optics, Lasers, and Applications; 87854F (2013) https://doi.org/10.1117/12.2026186
Event: 8th Ibero American Optics Meeting/11th Latin American Meeting on Optics, Lasers, and Applications, 2013, Porto, Portugal

Abstract

We report a detailed characterization of the spatial resolution provided by different two-photon absorption spectroscopy techniques used in plasma diagnostics: two-photon absorption laser induced fluorescence (TALIF) and two-photon optogalvanic spectroscopy. Well-understood and characterized spatial resolution has especial importance for a precise control of experimental conditions, and absolute measurements. Beam profiles recorded with high resolution allow calculating the beam propagation and irradiance distribution in the beams overlap, the resulting fluorescence and ionization yield, and the corresponding spatial resolution.

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M. Garcia-Lechuga, L. M. Fuentes, K. Gruetzmacher, C. Perez, and M. I. de la Rosa "Characterization of the spatial resolution in two-photon spectroscopic techniques used for plasma diagnostics", Proc. SPIE 8785, 8th Iberoamerican Optics Meeting and 11th Latin American Meeting on Optics, Lasers, and Applications, 87854F (18 November 2013); https://doi.org/10.1117/12.2026186

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