by G. A. Wubetu, T. J. Kelly, P. Hayden, H. Fiedorowicz, W. Skrzeczanowski and J. T. Costello
Abstract:
We report here the results of a study of polarisation resolved emission from a laser produced copper plasma. We found that in the case of such a plasma, the degree of polarisation was higher for a background pressure of 1 × 10−2 mbar than for 1 × 10−5 mbar, but the time evolution of this parameter was similar for both. Optical diagnostics revealed differences in the electron temperature and density also. A collisional radiative model was then employed to calculate the time varying rates of both radiative and 3-body recombination. We found that the rates were strongly polarisation and time dependent for our plasma and thus we suggest that both 3-body and radiative recombination play a role in the ultimate optical anisotropy of the plasma.
Reference:
G. A. Wubetu, T. J. Kelly, P. Hayden, H. Fiedorowicz, W. Skrzeczanowski and J. T. Costello, “Recombination contributions to the anisotropic emission from a laser produced copper plasma”, In Journal of Physics B: Atomic, Molecular and Optical Physics, vol. 53, no. 6, pp. 065701, 2020.
Bibtex Entry:
@article{wubetu_recombination_2020,
title = {Recombination contributions to the anisotropic emission from a laser produced copper plasma},
volume = {53},
issn = {0953-4075},
url = {https://doi.org/10.1088/1361-6455/ab66d3},
doi = {10.1088/1361-6455/ab66d3},
abstract = {We report here the results of a study of polarisation resolved emission from a laser produced copper plasma. We found that in the case of such a plasma, the degree of polarisation was higher for a background pressure of 1 × 10−2 mbar than for 1 × 10−5 mbar, but the time evolution of this parameter was similar for both. Optical diagnostics revealed differences in the electron temperature and density also. A collisional radiative model was then employed to calculate the time varying rates of both radiative and 3-body recombination. We found that the rates were strongly polarisation and time dependent for our plasma and thus we suggest that both 3-body and radiative recombination play a role in the ultimate optical anisotropy of the plasma.},
language = {en},
number = {6},
urldate = {2021-01-18},
journal = {Journal of Physics B: Atomic, Molecular and Optical Physics},
author = {Wubetu, G. A. and Kelly, T. J. and Hayden, P. and Fiedorowicz, H. and Skrzeczanowski, W. and Costello, J. T.},
month = feb,
year = {2020},
note = {Publisher: IOP Publishing},
pages = {065701}
}