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Ramis Abril, Rafael ORCID: https://orcid.org/0000-0002-0827-8635 and Sanmartín Losada, Juan Ramón
(1983).
Electron temperature versus laser intensity times wavelength squared: a comparison of theory and experiments.
"Nuclear Fusion", v. 23
;
pp. 739-749.
ISSN 0029-5515.
Title: | Electron temperature versus laser intensity times wavelength squared: a comparison of theory and experiments |
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Author/s: |
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Item Type: | Article |
Título de Revista/Publicación: | Nuclear Fusion |
Date: | 1983 |
ISSN: | 0029-5515 |
Volume: | 23 |
Subjects: | |
Faculty: | E.T.S.I. Aeronáuticos (UPM) |
Department: | Física Aplicada a la Ingeniería Aeronáutica [hasta 2014] |
Creative Commons Licenses: | Recognition - No derivative works - Non commercial |
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The peak temperature in the corona of plasma ejected by a laser-irradiated slab is discussed in terms of a one-electron-temperature model. Both heat-flux saturation and pulse rise-time effects are considered;the intensity in the rising half of the pulse is approximated by a linear function of time, I(t) = Iot/r. The temperature is found to be proportional to (IQX2)273 and a function of I0X4/r. Above a certain value of I0X4/T, the plasma presents two characteristic temperatures (at saturation and at the critical surface) which can be identified with experimentally observed cold- and hot-electron temperatures. The results are compared with extensive experimental data available for both nd and CO2 lasers, I0(W'cnf2) X2 (/um) starting around 1012. The agreement is good if substantial flux inhibition is assumed (flux-limit factor f = 0.03), and fails for I0X2 above 1O1S. Results for both ablation pressure and mass ablation rate are also given.
Item ID: | 21475 |
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DC Identifier: | https://oa.upm.es/21475/ |
OAI Identifier: | oai:oa.upm.es:21475 |
Official URL: | http://iopscience.iop.org/article/10.1088/0029-551... |
Deposited by: | Biblioteca ETSI Aeronauticos |
Deposited on: | 30 Oct 2013 07:27 |
Last Modified: | 24 Oct 2016 11:00 |