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Report No.

Characterization of submicron-sized CO$$_2$$ clusters formed with a supersonic expansion of a mixed-gas using a three-staged nozzle

Jinno, Satoshi   ; Fukuda, Yuji; Sakaki, Hironao; Yogo, Akifumi; Kanasaki, Masato; Kondo, Kiminori; Faenov, A. Ya.*; Skobelev, I. Yu.*; Pikuz, T.; Boldarev, A. S.*; Gasilov, V. A.*

The size of CO$$_2$$ clusters, produced in a supersonic expansion of a mixed-gas of CO$$_2$$/He or CO$$_2$$/H$$_2$$ through a three-staged conical nozzle designed based on the Boldarev's model, has been evaluated by measuring the angular distribution of light scattered from the clusters. The data are analyzed utilizing the Mie scattering theory, and the sizes of CO$$_2$$ clusters are estimated as 0.22 $$mu$$m and 0.25 $$mu$$m for the cases of CO$$_2$$/He and CO$$_2$$/H$$_2$$ gas mixtures, respectively. The results confirm that the Boldarev's model is reliable enough for the production of micron-sized clusters.



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Category:Physics, Applied



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