The dangers of nuclear tests


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X-ray Laser Progress

More than 25 years ago it took a nuclearresearchers to attract and build a level of
explosion under the Nevada desert to powerexpertise in the general area of plasma
the world's first x-ray laser. The new x-rayphysics, previously beyond the reach of an
laser at Queen's will be powered by anotherin-house university-scale research program in
optical laser, which the university said isthe  UK,  the  university  said.
one of the most powerful optical lasers
available in any university laboratory"X-ray lasers can be used to probe and
worldwide. The Engineering and Physicaldiagnose very dense plasma conditions of the
Sciences Research Council (EPSRC) awardedtype, for example, anticipated in the core of
£2.1 million several years ago for thefuel pellets compressed by powerful optical
construction of the Taranis to createlasers. It is tremendously exciting that
extremely  hot  plasmas.Queen's laser systems are now capable of
carrying out world-leading experiments
"Plasmas are the 'fourth state of matter,'involving laser-plasma interactions in
along with gases, liquids and solids. Inextreme  conditions,"  Lewis  said.
fact, 99 percent of the observable universe,
including the stars we see in the sky, is in"The need for an increased effort in plasma
the plasma state," said professor Ciaranphysics research and for more trained plasma
Lewis  of  Queen's Centre for Plasma Physics.physicists is driven by the expanding use of
plasmas in a wide range of applications in
Four hundred times more powerful than theindustry, including the effort to determine
entire UK National Grid when in operation, itif laser-produced nuclear fusion can provide
is known as Taranis (terawatt apparatus forfor the world's post-oil power needs," he
relativistic and nonlinear interdisciplinarysaid. "Highlighting these two new systems to
science). Named after the European Celtic godour international research colleagues will
of thunder and lightning, it relies on a veryensure Queen's Centre for Plasma Physics and
powerful infrared laser system which has beenits researchers remain to the fore of global
recently installed within the Centre forbreakthroughs in the area of high energy
Plasma  Physics  at  Queen's.density physics. We are anticipating many new
international collaborations.
Both laser systems will enable Queen's



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