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PF1_2 40A SOL 70A NO TF Glow discharge.jpg

The SPM1

Purpose and Concept

  • “Simple Magnetised Torus” Compact demonstration device

  • Fully self contained within a  90 x 90  x 160 cm envelop, easily transportable and suitable for public demonstration.

  • Low temperature plasma (1 to 5 ev) demonstrating the effect of magnetic fields on plasma shape, position and emission spectrum.

  • Toroidal,  Poloidal and Solenoid Coils with independent low voltage power supplies

  • Continuous operation, safe enough to demonstrate to public.

  • Glow discharge plasma operation.

  • Spectrometer and basic plasma diagnostics

  • Modular, Upgradeable performance to suit post graduate teaching and research . E x B, J x B, Cross field, Plasma Instability demonstrations.

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Architecture

  • Major Radius 23 cm Minor Radius 7.5 cm

  • 8 TF Coils each with independent power supplies

  • Toroidal field of up to 0.025 T continuous. Up to 0.1T pulsed.

  • 4 Poloidal field coils , each with independent control.

  • Low voltage Solenoid coil with AC and DC drive

  • Glow discharge plasma operation using variable HV and RF sources in N2 or He

  • Cameras with Vision based tracking of plasma position and shape

  • UV - VIS Spectrometer , Langmuir probe, Hall effect Magnetometer

  • Laser diagnostics port

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SPM1 October 23.jpg
Mini Mak 1.jpg

SPM1 Simple Magnetised Torus

Complete system, compact, portable , runs off a single mains supply

Glow discharge with  time varying TF field

Minimak GUI1.jpg
MTest 33.jpg

Software Control  Interface

Glow discharge with one bank of TF coils energised

Glow discharge

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