Characterization of a new variable magnetic field linear plasma device

2021 ◽  
Vol 28 (12) ◽  
pp. 123514
Author(s):  
F. Filleul ◽  
A. Caldarelli ◽  
C. Charles ◽  
R. W. Boswell ◽  
N. Rattenbury ◽  
...  
Keyword(s):  
Magnetic Field ◽  
Variable Magnetic Field ◽  
Plasma Device ◽  
Linear Plasma

scholarly journals Development of an undulator with a variable magnetic field profile

2021 ◽  
Vol 28 (2) ◽  
pp. 404-409
Author(s):  
Takashi Tanaka ◽  
Yuichiro Kida ◽  
Ryota Kinjo ◽  
Tadashi Togashi ◽  
Hiromitsu Tomizawa ◽  
...  
Keyword(s):  
Magnetic Field ◽  
Magnetic Force ◽  
Mechanical Load ◽  
Magnetic Measurement ◽  
Variable Magnetic Field ◽  
Linear Actuator ◽  
Free Electron Lasers ◽  
Magnetic Field Profile ◽  
New Concepts

An undulator generating a magnetic field whose longitudinal profile is arbitrarily varied has been developed, which is one of the key components in a number of proposed new concepts in free-electron lasers. The undulator is composed of magnet modules, each of which corresponds to a single undulator period, and is driven by a linear actuator to change the magnetic gap independently. To relax the requirement on the actuator, the mechanical load on each module due to magnetic force acting from opponent and adjacent modules is reduced by means of two kinds of spring systems. The performance of the constructed undulator has been successfully demonstrated by magnetic measurement and characterization of synchrotron radiation.

scholarly journals Magnetic Field Configuration Dependence of Plasma Production and Parallel Transport in a Linear Plasma Device NUMBER

2018 ◽  
Vol 13 (0) ◽  
pp. 3401044-3401044 ◽  
Author(s):  
Daichi HAMADA ◽  
Atsushi OKAMOTO ◽  
Takaaki FUJITA ◽  
Hideki ARIMOTO ◽  
Katsuya SATOU ◽  
...  
Keyword(s):  
Magnetic Field ◽  
Parallel Transport ◽  
Field Configuration ◽  
Magnetic Field Configuration ◽  
Plasma Production ◽  
Plasma Device ◽  
Linear Plasma

Synthesis and Mechanical Characterization of Magnetic Hybrid Materials with PVB as Polymeric Matrix for Micro-Actuation Applications

2014 ◽  
Vol 1708 ◽  
Author(s):  
Beatriz López-Walle ◽  
Jesús Romo-Rico ◽  
Jesús Puente-Córdova ◽  
Martín Reyes-Melo
Keyword(s):  
Magnetic Field ◽  
Electric Power ◽  
Hybrid Materials ◽  
Mechanical Characterization ◽  
Polyvinyl Butyral ◽  
Variable Magnetic Field ◽  
Potential Applications ◽  
Micro Actuators ◽  
Maximal Displacement

ABSTRACTThis work presents two multifunctional magnetic hybrid materials with potential applications as micro-actuators. The first one consists of iron oxide (Fe2O3) nanoparticles embedded in polyvinyl butyral (PVB). For the second one, Fe2O3 nanoparticles, coated with carboxymethyl cellulose (CMC), were embedded in PVB. The main objective is to describe their synthesis and morphological and magnetic characterizations, and to evaluate their displacement against a variable magnetic field. The maximal displacement is obtained by the (Fe2O3-CMC)/PVB beam-shaped structure (28.37 x 2.6 x 0.183 mm3) with 843 μm; the maximal electric power being 1.14 W. The levels of displacement induced in both hybrid materials as a response of the external magnetic field, besides the low electric power required, let us conclude that the studied materials could be considered as good candidates to micro-actuators applications.

Characterization of multiple carriers in GaN using variable magnetic-field hall measurements

2004 ◽  
Vol 33 (5) ◽  
pp. 412-417 ◽  
Author(s):  
C. H. Swartz ◽  
R. P. Tompkins ◽  
T. H. Myers ◽  
D. C. Look ◽  
J. R. Sizelove
Keyword(s):  
Magnetic Field ◽  
Variable Magnetic Field ◽  
Hall Measurements

scholarly journals A new multi-line cusp magnetic field plasma device (MPD) with variable magnetic field

2018 ◽  
Vol 89 (4) ◽  
pp. 043510 ◽  
Author(s):  
A. D. Patel ◽  
M. Sharma ◽  
N. Ramasubramanian ◽  
R. Ganesh ◽  
P. K. Chattopadhyay
Keyword(s):  
Magnetic Field ◽  
Variable Magnetic Field ◽  
Plasma Device ◽  
Cusp Magnetic Field
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