Academic Journal
Measurement of magnetic-field structures in a laser-wakefield accelerator
| العنوان: | Measurement of magnetic-field structures in a laser-wakefield accelerator |
|---|---|
| المؤلفون: | Kaluza M.C., Schlenvoigt H.-P., Mangles S.P.D., Thomas A.G.R., Dangor A.E., Schwoerer H., Mori W.B., Najmudin Z., Krushelnick K.M. |
| سنة النشر: | 2010 |
| المجموعة: | Stellenbosch University: SUNScholar Research Repository |
| مصطلحات موضوعية: | Experimental measurements, Faraday rotations, Nonlinear plasma waves, Numerical simulation, Plasma wavelength, Relativistic electron, Temporal resolution, Transverse dimensions, Wake fields, Wavebreaking, Magnetic field effects, Oceanography, Plasma waves, Plasma diagnostics |
| الوصف: | Experimental measurements of magnetic fields generated in the cavity of a self-injecting laser-wakefield accelerator are presented. Faraday rotation is used to determine the existence of multimegagauss fields, constrained to a transverse dimension comparable to the plasma wavelength ∼λp and several λp longitudinally. The fields are generated rapidly and move with the driving laser. In our experiment, the appearance of the magnetic fields is correlated with the production of relativistic electrons, indicating that they are inherently tied to the growth and wave breaking of the nonlinear plasma wave. This evolution is confirmed by numerical simulations, showing that these measurements provide insight into the wakefield evolution with high spatial and temporal resolution. © 2010 The American Physical Society. ; Article |
| نوع الوثيقة: | article in journal/newspaper |
| اللغة: | unknown |
| Relation: | Physical Review Letters; 105; 11; 319007; http://hdl.handle.net/10019.1/13065 |
| DOI: | 10.1103/PhysRevLett.105.115002 |
| الاتاحة: | http://hdl.handle.net/10019.1/13065 https://doi.org/10.1103/PhysRevLett.105.115002 |
| رقم الانضمام: | edsbas.D78D634B |
| قاعدة البيانات: | BASE |
| DOI: | 10.1103/PhysRevLett.105.115002 |
|---|