Search results
Results From The WOW.Com Content Network
One can consider the effect as increasing the brightness of the X-rays falling on the target compared to the X-rays released by the bomb itself. The enhancement of the brightness compared to the unfocused output from the bomb is η / d θ {\displaystyle \eta /d\theta } , where η {\displaystyle \eta } is the efficiency of conversion from bomb X ...
In general, an X-ray's beam intensity is not uniform. When it focuses to a target, a conical shape appears (divergent beam). The intensity of the beam from the positive anode side is lower than the intensity from the negative cathode side because the photons created when the electrons strike the target have a longer way to travel through the rotating target on the anode side.
KMS Fusion was the first private company to attempt to produce a fusion reactor using the inertial confinement fusion (ICF) approach. The basic concept, developed in 1969 by Keith Brueckner, was to infuse small glass spheres with a fuel gas and then compress the sphere using lasers until they reached the required temperature and pressures.
X-ray optics is the branch of optics dealing with X-rays, rather than visible light.It deals with focusing and other ways of manipulating the X-ray beams for research techniques such as X-ray diffraction, X-ray crystallography, X-ray fluorescence, small-angle X-ray scattering, X-ray microscopy, X-ray phase-contrast imaging, and X-ray astronomy.
Argus advanced the study of laser-target interaction and paved the way for the construction of its successor, the 20 beam Shiva laser. It was known from some of the earlier experiments in ICF that when large laser systems amplified their beams beyond a certain point (typically around the gigawatt level), nonlinear optical effects would begin to ...
The X-ray photons are produced by colliding a high current, narrow beam of electrons with a tungsten target. The X-rays are then passed through a flattening filter, and then measured using an X-ray ion chamber. The flattening filter resembles an inverted ice-cream cone, and it shapes and attenuates the X-rays. The electron beam current required ...
The 10 beam LLNL Nova laser, shortly after its completion in 1984.In the late 1970s and early 1980s the laser energy per pulse delivered to a target using inertial confinement fusion went from a few joules to tens of kilojoules, requiring very large scientific devices for experimentation.
The 1970s witnessed an explosion in the understanding of solid-state physics, driven by the development of the integrated circuit and the laser. The evolution of the computer produced an interesting duality in the physical sciences at this period — analogue recording technology had reached its peak and was incredibly sophisticated.