Presentation on theme: "Xie, JinLin & LMPD group CAS KEY LABORATORY OF BASIC PLASMA PHYSICS"— Presentation transcript:
1 Progress of Magnetic Reconnection experiment in Linear Magnetized Plasma Device Xie, JinLin & LMPD groupCAS KEY LABORATORY OF BASIC PLASMA PHYSICSUNIVERSITY OF SCIENCE AND TECHNOLOGY OF CHINASuzhou, September 24, 2007
2 Outline Introduction What we have done by now Preliminary result What & Why & HowLMPD in USTCWhat we have done by nowBackground plasmaTopology of the magnetic field for MRDiagnostics / Data Acquisition System / …Preliminary resultFuture plan
3 Introduction: Linear Magnetized Plasma Device in USTC Experimental chamberLIFquad-probeemissive probelangmuir probeBmax: 1000GuassTe:1~10evTi:0.03~0.5evDenisty:108~1013cm-3DC, RF & Helicon discharge source；
8 Diagnostics for MR Characteristic for MR experiment in lab plasma High spatial resolution: small size Vs large enough S/NWide signal bandwidth: Low freq. ~ MHz or microwaveHigh Spatio-temporal resolutionWhat we have now：3D B dot probe B0 , B1 Current sheet, E…Retarding grid energy analyzer EVDF & IVDF & fluxElectrostatic probes: Langmuir probe, emissive probe, Mach probe… Ne, Te, Vf, Vp, Iion, Ie, Ion flux…Laser induced fluorescence(LIF) IVDF & ion fluxMicrowave antenna and related instrument EM radiationDAQ system: 12 channels x 5M; 128 x 2M; 2 x 60M
13 Reconstruction of the magnetic field line in order to verify MR process
14 1936 Phys. Plasmas 4 (5), May 1997Study of driven magnetic reconnection in a laboratory plasma*Masaaki Yamada,† Hantao Ji, Scott Hsu, Troy Carter, Russell Kulsrud, Norton Bretz,Forrest Jobes, Yasushi Ono,a) and Francis Perkinsb)Plasma Physics Laboratory, Princeton University, P.O. Box 451, Princeton, New Jersey 08543~Received 12 November 1996; accepted 17 January 1997!