It operated ("actually sustained fusion") for a total of four seconds, in 1997. Most of the work involves non-fusion plasmas.
http://www.jet.efda.org/wp-content/uploads/jeteuropeansucess...
That was a costly experiment: the resulting radiation -- neutron activation of the structure -- made the reactor inaccessible for 18 months.
http://www.iop.org/Jet/fulltext/JETP98037.pdf
It operated ("actually sustained fusion") for a total of four seconds, in 1997. Most of the work involves non-fusion plasmas.
http://www.jet.efda.org/wp-content/uploads/jeteuropeansucess...
That was a costly experiment: the resulting radiation -- neutron activation of the structure -- made the reactor inaccessible for 18 months.
http://www.iop.org/Jet/fulltext/JETP98037.pdf