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We present a brief description of new complex of space telescopes and spectrographs, TESIS, which will be placed aboard the CORONAS-PHOTON satellite. The complex is intended for high-resolution imaging observation of full Sun in the coronal spectral lines and in the spectral lines of the solar transition region. TESIS will be launched at the end of 2007 – early of 2008. About 25 % of the daily TESIS images will be free for use and for downloading from the TESIS data center that is planned to open 2 months before the TESIS launching at http://www.tesis.lebedev.ru
The experiments to study the indirect drive targets'
dynamics in a highly symmetrical X-radiation field were
performed on the ISKRA-5 facility. This paper covered the
results of experiments with the targets in the form of
a Cu spherical hohlraum, the internal surface of which
is coated with Au, with six holes for laser radiation input.
In the center of the aforementioned hohlraum, a glass capsule
filled with D–T gas was placed. In several experiments,
the central capsule was coated with an ablator made of
plastic with a different thickness. This allowed us to
perform a series of experiments in which the different
compression degree of D–T fuel was achieved. The
analyses of experimental results revealed good agreement
between the latter and the spherically symmetrical hydrodynamic
Recently much attention has been paid to multilayer
inertial confinement fusion (ICF) targets, among them the
targets with low-density layers. This allows one to get
a number of interesting results using the presently existing
and future facilities. This concerns the volume absorption
of the laser radiation in a porous matter of the density
higher than the critical plasma density, and the formation
of the radiation absorption region under condition of increasing
geometric opacity of the low-density matter. We consider
the low-density foams, 3D nets, free-standing “snow-like”
layers, and pseudo low-density layers. We use artificial
foam as a convenient model to allow easier comparison of
the experimental laser shot data and the simulation. The
requirements to such layers are also analyzed. The methods
of precision control of the low-density targets are discussed.
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