Journal article
Ion soliton observation with laser induced fluorescence
Communications in nonlinear science & numerical simulation, Vol.8(3), pp.349-353
09/01/2003
DOI: 10.1016/S1007-5704(03)00052-2
Abstract
Many theoretical and experimental studies of solitons in plasma have been performed [Phys. Fluids 16 (1973) 1668; Plasma Phys. 25 (1983) 943; IEEE Trans. Plasma Phys. PS 10 (1982) 180; Plasma Phys. 5 (1998) 4144] and most of the properties such as the relation between the amplitude, the velocity and the width, for soliton or soliton-dust interaction, have been obtained. The agreement between experiment and theoretical model is not always good [Phil. Mag. Ser. 39 (1895) 422; Phys. Rev. Lett. 17 (1966) 996; Phys. Rev. E 51 (1995) 4796]. The experimental observations typically involve Langmuir probes. However, the ion acoustic soliton propagation can be observed by laser induced fluorescence (LIF) in double plasma device. This direct observation of ion perturbation with LIF points out the importance of the optical pumping effect [Rev. Sci. Instrum. 72 (2001) 4372] in the measurement of fast velocity propagation of ion phenomena like solitons are. With the LIF we discovered that a train of soliton propagates easier in the device if a weak backward ion flux plasma, having a drift velocity in the range of 200 m/s is present; as faster the ion flux is, as close to the grid the solitons separation occurs; the precursors ions is in fact a collective phenomenon.
Details
- Title: Subtitle
- Ion soliton observation with laser induced fluorescence
- Creators
- N. ClaireG. BachetF. Skiff - University of Iowa
- Resource Type
- Journal article
- Publication Details
- Communications in nonlinear science & numerical simulation, Vol.8(3), pp.349-353
- Publisher
- Elsevier B.V
- DOI
- 10.1016/S1007-5704(03)00052-2
- ISSN
- 1007-5704
- eISSN
- 1878-7274
- Language
- English
- Date published
- 09/01/2003
- Academic Unit
- Physics and Astronomy
- Record Identifier
- 9984428673102771
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