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Development and characterization of very dense submillimetric gas jets for laser-plasma interaction

Abstract : We report on the characterization of recently developed submillimetric He gas jets with peak density higher than 1021 atoms/cm3 from cylindrical and slightly conical nozzles of throat diameter of less than 400 μm. Helium gas at pressure 300−400 bar has been developed for this purpose to compensate the nozzle throat diameter reduction that affects the output mass flow rate. The fast-switching electro-valve enables to operate the jet safely for multi-stage vacuum pump assembly. Such gaseous thin targets are particularly suitable for laser-plasma interaction studies in the unexplored near-critical regime.
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https://hal.archives-ouvertes.fr/hal-01164057
Contributor : Victor Malka Connect in order to contact the contributor
Submitted on : Tuesday, June 16, 2015 - 10:02:08 AM
Last modification on : Tuesday, May 24, 2022 - 3:28:05 PM

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F. Sylla, M. Veltcheva, S. Kahaly, Alessandro Flacco, Victor Malka. Development and characterization of very dense submillimetric gas jets for laser-plasma interaction. Review of Scientific Instruments, American Institute of Physics, 2012, 83 (3), pp.033507. ⟨10.1063/1.3697859⟩. ⟨hal-01164057⟩

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