Magnetic field reconstruction with optical fiber sensors in plasma lenses

Optical properties of plasma lenses strongly depend on the magnetic field distribution. Its measurement with conventional magnetic probes is quite critical for such application. In this paper the measurement of the magnetic field in a Z pinch discharge, based on the Faraday effect in optical fibers,...

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Bibliographic Details
Published in:IEEE transactions on plasma science 1995-06, Vol.23 (3), p.381-387
Main Authors: Breglio, G., Cautiello, D., de Magistris, M., de Menna, L., Miano, E., Visone, C.
Format: Article
Language:English
Subjects:
Fiber optics
Gases
Lenses
Magnetic field measurement
Magnetic properties
Magnetic sensors
Magnetism
Optical fiber sensors
Optical sensors
Physics
Plasma applications
Plasma measurements
Plasma properties
Probes
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Summary:Optical properties of plasma lenses strongly depend on the magnetic field distribution. Its measurement with conventional magnetic probes is quite critical for such application. In this paper the measurement of the magnetic field in a Z pinch discharge, based on the Faraday effect in optical fibers, is described. It is shown that it is possible, using a quite simple and relatively low cost experimental setup, to detect the field dynamics inside the discharge tube assuring low disturbance, a large bandwidth, and a high signal to noise ratio. Applications to several kinds of plasma lenses and further development are discussed.< >
ISSN:0093-3813
1939-9375
DOI:10.1109/27.402329