Radiation characteristics of slot antennas covered with a plasma slab in the presence of a static magnetic field perpendicular to the slot

2005 ◽  
Author(s):  
H. Hodara
Keyword(s):  
Magnetic Field ◽  
Static Magnetic Field ◽  
Slot Antennas ◽  
Radiation Characteristics ◽  
Plasma Slab

Durchgang von Mikrowellen durch ebene Plasmaschichten

1962 ◽  
Vol 17 (1) ◽  
pp. 59-64
Author(s):  
K. Hain ◽  
M. Tutter
Keyword(s):  
Magnetic Field ◽  
Electromagnetic Wave ◽  
Static Magnetic Field ◽  
Plane Electromagnetic Wave ◽  
Reflection And Transmission ◽  
Plasma Slab ◽  
Plane Plasma

The reflection and transmission of a plane electromagnetic wave propagating through a plane plasma slab with and without a static magnetic field is computed.

THE ABSORPTIVITY SPECTRUM OF A UNIFORM, ANISOTROPIC PLASMA SLAB

1961 ◽  
Vol 39 (9) ◽  
pp. 1273-1290 ◽  
Author(s):  
I. P. French ◽  
G. G. Cloutier ◽  
M. P. Bachynski
Keyword(s):  
Magnetic Field ◽  
Electromagnetic Wave ◽  
Electromagnetic Radiation ◽  
Static Magnetic Field ◽  
Radiation Spectrum ◽  
Collision Frequency ◽  
Anisotropic Plasma ◽  
Electron Collision ◽  
Slab Thickness ◽  
Plasma Slab

Using a generalized formulation of Kirchhoff's law it is possible to relate the equilibrium electromagnetic radiation spectrum of a body to its absorptivity spectrum. The microwave absorptivity of a uniform anisotropic plasma slab to a normally incident electromagnetic wave is obtained by matching fields at the boundaries and is solved completely for the model chosen.The absorptivity spectrum of the plasma slab is computed for waves propagating parallel to and normal to an applied static magnetic field for various electron densities, electron collision frequencies, and slab thicknesses. Peaks in the absorptivity spectrum occur around the edges of the "stop-bands". In general, the absorptivity increases with slab thickness and collision frequency. The effect of internal reflections is included and gives rise to undulations in the absorptivity spectrum.

EFFECT OF STATIC MAGNETIC FIELD ON RADIATION THROUGH A PLASMA SHEATH

1966 ◽  
Vol 44 (9) ◽  
pp. 1941-1964 ◽  
Author(s):  
S. R. Seshadri ◽  
G. L. Yip
Keyword(s):  
Magnetic Field ◽  
Radiation Pattern ◽  
Static Magnetic Field ◽  
Radiation Resistance ◽  
Plasma Column ◽  
Guided Waves ◽  
Plasma Sheath ◽  
Radiation Characteristics ◽  
Current Filament ◽  
Uniform Plasma

The radiation characteristics of a filament of finite length with a triangular current distribution are investigated for the case in which it is situated along the axis of an infinitely long, axially magnetized column of uniform plasma. In general, the current filament will excite guided waves along the plasma column as well as space waves. The radiation pattern in the far zone and the radiation resistance of the current filament contributed by the space waves are studied as a function of the radius of the plasma column, the operating frequency of the source, the strength of the applied static magnetic field, and the length of the current filament with the current at its center kept constant. In particular, for various frequencies below the plasma frequency and for a particular radius of the plasma column, the radiation pattern and the radiation resistance are presented as a function of the strength of the applied static magnetic field. These results indicate that a significant improvement in the transmission through a plasma sheath can be obtained by a suitable application of a static magnetic field. A brief discussion of the characteristics of the possible guided waves along the plasma column is also included.

Decreased chemotaxis of human peripheral phagocytes exposed to a strong static magnetic field

2004 ◽  
Vol 91 (1) ◽  
pp. 59-65 ◽  
Author(s):  
S Sipka ◽  
I Szöllősi ◽  
Gy Batta ◽  
Gy Szegedi ◽  
Á Illés ◽  
...  
Keyword(s):  
Magnetic Field ◽  
Static Magnetic Field

Intense Static Magnetic Field Induced Bone Growth in Vivo

1984 ◽  
Vol 3 (1) ◽  
pp. 223-234
Author(s):  
Frank Papatheofanis ◽  
Bill Fapatheofanls ◽  
Robert Ray
Keyword(s):  
Magnetic Field ◽  
Static Magnetic Field ◽  
Bone Growth

ABOUT UNIFORMITY OF THE PHENOMENOLOGY AND THE MATHEMATICAL DESCRIPTION OF SO-CALLED « JOINED» ACTION OF HAZARDS AND COMBINED TOXICITY (ON THE EXAMPLE OF A COMBIBATION OF THE FLUORIDE AND THE STATIC MAGNETIC FIELD)

2016 ◽  
pp. 13-20
Author(s):  
B. A. Katsnelson ◽  
M. P. Sutunkova ◽  
N. A. Tsepilov ◽  
V. G. Panov ◽  
A. N. Varaksin ◽  
...  
Keyword(s):  
Magnetic Field ◽  
Static Magnetic Field ◽  
Point Of View ◽  
Whole Body ◽  
Surface Model ◽  
Combined Toxicity ◽  
Fluoride Solution ◽  
Adverse Action ◽  
Biochemical Indices ◽  
And Control

Sodium fluoride solution was injected i.p. to three groups of rats at a dose equivalent to 0.1 LD50 three times a week up to 18 injections. Two out of these groups and two out of three groups were sham-injected with normal saline and were exposed to the whole body impact of a 25 mT static magnetic field (SMF) for 2 or 4 hr a day, 5 times a week. Following the exposure, various functional and biochemical indices were evaluated along with histological examination and morphometric measurements of the femur in the differently exposed and control rats. The mathematical analysis of the combined effects of the SMF and fluoride based on the a response surface model demonstrated that, in full correspondence with what we had previously found for the combined toxicity of different chemicals, the combined adverse action of a chemical plus a physical agent was characterized by a tipological diversity depending not only on particular effects these types were assessed for but on the dose and effect levels as well. From this point of view, the indices for which at least one statistically significant effect was observed could be classified as identifying (I) mainly single-factor action; (II) additive unidirectional action; (III) synergism (superadditive unidirectional action); (IV) antagonism, including both subadditive unidirectional action and all variants of contradirectional action.

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