Advanced measurement of gas jet density using a wavefront sensor

M. Raclavský; Kavya H. Rao; M. Lamač; U. Chaulagain; J. Nejdl

doi:10.1117/12.2665686

8 June 2023 Advanced measurement of gas jet density using a wavefront sensor

M. Raclavský, Kavya H. Rao, M. Lamač, U. Chaulagain, J. Nejdl

Proceedings Volume 12582, Compact Radiation Sources from EUV to Gamma-rays: Development and Applications; 125820H (2023) https://doi.org/10.1117/12.2665686
Event: SPIE Optics + Optoelectronics, 2023, Prague, Czech Republic

Abstract

We present a four-pass tomography setup for the characterization of the density distribution of a gas jet. The data acquired with a wavefront sensor is processed using a tomography algorithm, providing a 3D reconstruction of the gas density distribution. We applied this technique to characterize a supersonic gas jet produced by a de Laval nozzle and obstructed by a razor blade in ambient pressure, which are among the common targets used in high-repetition rate laser wakefield acceleration (LWFA) experiments. The results revealed the complex density distribution of the jet, including the formation of barrel shocks. The four-pass tomography setup with a wavefront sensor provides a valuable tool for the detailed characterization of gas jets, enabling the investigation of fundamental fluid mechanics phenomena and contributing to the development of advanced propulsion systems and LWFA gas targets.

Citation Download Citation

M. Raclavský, Kavya H. Rao, M. Lamač, U. Chaulagain, and J. Nejdl "Advanced measurement of gas jet density using a wavefront sensor", Proc. SPIE 12582, Compact Radiation Sources from EUV to Gamma-rays: Development and Applications, 125820H (8 June 2023); https://doi.org/10.1117/12.2665686

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