Stationary High Intensity Wave Beams in Media with Saturable Nonlinearity

2000 ◽  
Vol 61 (4) ◽  
pp. 472-475 ◽  
Author(s):  
I A Molotkov ◽  
V A Eremenko ◽  
D Anderson ◽  
M Lisak
Keyword(s):  
High Intensity ◽  
Saturable Nonlinearity ◽  
Intensity Wave

Efficiency analysis on a piezoelectric micro-machined ultrasonic transducer as a high intensity wave generator in air

2012 ◽  
Vol 131 (4) ◽  
pp. 3498-3498
Author(s):  
Haksue Lee ◽  
Yub Je ◽  
Wonkyu Moon ◽  
Young-Nam Na ◽  
Hee-Seon Seo ◽  
...  
Keyword(s):  
High Intensity ◽  
Ultrasonic Transducer ◽  
Efficiency Analysis ◽  
Wave Generator ◽  
Intensity Wave

scholarly journals Stochastic heating in ultra high intensity laser-plasma interaction

2007 ◽  
Vol 25 (1) ◽  
pp. 169-180 ◽  
Author(s):  
A. BOURDIER ◽  
D. PATIN ◽  
E. LEFEBVRE
Keyword(s):  
High Intensity ◽  
Homogeneous Magnetic Field ◽  
Laser Plasma Interaction ◽  
Resonance Overlap ◽  
Stochastic Heating ◽  
High Intensity Laser ◽  
Pic Code ◽  
Intensity Laser ◽  
Intensity Wave ◽  
Very High

Stochastic instabilities are studied considering the motion of one particle in a very high intensity wave propagating along a constant homogeneous magnetic field, and in a high intensity wave propagating in a nonmagnetized medium perturbed by one or two low intensity traveling waves. Resonances are identified and conditions for resonance overlap are studied. The part of chaos in the electron acceleration is analyzed. PIC code simulation results confirm the stochastic heating.

A New High Intensity Grid Cap for RCA-EMU-3 Electron Microscopes

1968 ◽  
Vol 26 ◽  
pp. 316-317
Author(s):  
George Christov ◽  
Bolivar J. Lloyd
Keyword(s):  
Electron Beam ◽  
Electron Microscope ◽  
High Voltage ◽  
High Intensity ◽  
Electron Gun ◽  
Tungsten Filament ◽  
Fluorescent Screen ◽  
Electron Microscopes ◽  
Pass Through ◽  
Ground Potential

A new high intensity grid cap has been designed for the RCA-EMU-3 electron microscope. Various parameters of the new grid cap were investigated to determine its characteristics. The increase in illumination produced provides ease of focusing on the fluorescent screen at magnifications from 1500 to 50,000 times using an accelerating voltage of 50 KV.The EMU-3 type electron gun assembly consists of a V-shaped tungsten filament for a cathode with a thin metal threaded cathode shield and an anode with a central aperture to permit the beam to course the length of the column. The cathode shield is negatively biased at a potential of several hundred volts with respect to the filament. The electron beam is formed by electrons emitted from the tip of the filament which pass through an aperture of 0.1 inch diameter in the cap and then it is accelerated by the negative high voltage through a 0.625 inch diameter aperture in the anode which is at ground potential.

260: High Intensity Focused Ultrasound Combined with Endocrine Therapy in Treating High or Intermediate Risk Prostate Cancer

2006 ◽  
Vol 175 (4S) ◽  
pp. 86-86
Author(s):  
Makoto Sumitomo ◽  
Junichi Asakuma ◽  
Yasumasa Hanawa ◽  
Kazuhiko Nagakura ◽  
Masamichi Hayakawa
Keyword(s):  
Prostate Cancer ◽  
Endocrine Therapy ◽  
High Intensity ◽  
Focused Ultrasound ◽  
High Intensity Focused Ultrasound ◽  
Intermediate Risk ◽  
Risk Prostate Cancer

1400: Early Clinical Experience Using High-Intensity Focused Ultrasound for the Treatment of Renal Tumours

2005 ◽  
Vol 173 (4S) ◽  
pp. 379-380
Author(s):  
James E. Kennedy ◽  
Rowland O. Illing ◽  
Feng Wu ◽  
Gail R. ter Haar ◽  
Rachel R. Phillips ◽  
...  
Keyword(s):  
Clinical Experience ◽  
High Intensity ◽  
Focused Ultrasound ◽  
High Intensity Focused Ultrasound ◽  
Early Clinical Experience ◽  
Renal Tumours
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