Workshop “Stability and Instabilities of Microplasmas”
The Research Unit FOR1123 “Physics of Microplasmas” organizes an international workshop on the topic of “Stability and Instabilities of Microplasmas” at Ruhr-Universität Bochum (RUB). This workshop will be arranged on 31.05. and 01.06.2012 in the conference center of RUB (Veranstaltungszentrum (VZ)) of the RUB in room 82.
As guests we welcome
- Peter Bruggeman, Technische Universiteit Eindhoven (NL)
- Remi Dussart, Groupe de Recherches sur l'Energétique des Milieux Ionisés (GREMI), Université d'Orléans (F)
- Satoshi Hamaguchi, Center for Atomic and Molecular Technologies, Graduate School of Engineering, Osaka University (J)
- Ömer Ilday, Bilkent University Ankara (T)
- Mark Kushner, Mich. Inst. for Plasma Sci. & Engr. (MIPSE), University of Michigan (USA)
- Yi-Kang Pu, Tsinghua University (CH)
- Nader Sadeghi (F)
More detailed information will be given soon. |
Continuation
The Research Group FOR 1123 "Physics of Microplasmas" just received the good news that the application for continuation has been granted by the DFG. |
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Dr. Dragana Marić, Associate Research Professor, from Institute of Physics, University of Belgrade was from November 02nd to November 17th 2011 the guest of our Research Unit FOR 1123. Together with Thomas Kuschel and Ilija Stefanović (Project A4) she made the experiments on the axial and radial emission profiles in microdischarges. These are the first results on our new designed discharge chamber that make possible simultaneous measurements of axial and radial emission profiles of microdischarges. This work is the continuation of our previous measurements, which are recently published in PSST (“Axial Light Emission and Ar Metastable Densities in a Parallel Plate DC Microdischarge in Steady State and Transient Regimes”, Plasma Sources Sci. Technol. 2011 20 065001) and IEEE Trans. Plasma Sci. („Spatiotemporal Profile of Emission from Oscillating DC Microdischarges” IEEE Trans. Plasma Sci., Spec. Issue on Images in Plasma Sci.). She also gave the lecture in our Institute’s seminar under the title “Gas Breakdown: Influence on Feed Gas, Geometry and Dimension”.
Dragana’s stay has been supported through DAAD Exchange Project 50430276 „Spatial Structure of Non-Equilibrium Microdischarges“.
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Visit of Hsin-Hung Chen at Project C1
Hsin-Hung Chen from the National Cheng Kung University in Tainan (Taiwan) was guest for 2 months (July and August 2011) in the Research Groups "Coupled Plasma-Solid State Systems" and "Reactive Plasmas" and supported during his stay the work within the project C1 of the Research Unit FOR1123. He analyzed with an EMCCD camera and an optical emission spectrometer the transition between alpha and gamma discharge of the coaxial microplasma jet operated in helium with a small oxygen admixture. Additionally, absolute atomic oxygen densities have been determined in both discharge modes by means of molecular beam mass spectrometry to identify the influence of the discharge mode on the plasma chemistry. |
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Visit of Dr. Stephan Reuter at Project A1 and C1
From the 15th to the 20th of June Dr. Stephan Reuter from the INP Greifswald visited the projects A1 and C1 of our Research Unit.
In project A1 the behaviour of atomic oxygen densities in the effluent of the so-called "kINPen" plasma jet has been studied by means of two-photon absorption laser induced fluorescence spectroscopy (TALIF).
Together with project C1, positive and negative ions produced by the "kINPen" have been measured by molecular beam mass spectrometry (MBMS).
In both projects promising results have been obtained and further cooperations are planned.
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IXth Workshop on Frontiers in Low Temperature Plasma Diagnostics (FLTPD IX)
A group of 11 researchers from the Research Department „Plasmas with Complex Interactions“ and the Research Unit FOR 1123 „Physics of Microplasmas“ participated in the Workshop on Frontiers in Low Temperature Plasma Diagnostics (FLTPD IX) in Zinnowitz, Usedom (Germany). In total they presented a number of 15 contributions including 2 invited and 3 topical talks. The meeting was the IXth in a series of very successful biannual workshops and brought together experts in the field of low temperature plasma diagnostics. It was an important and fruitful opportunity for a new generation of plasma scientists to share and discuss the knowledge of these diagnostics with the leading scientists of this field.
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