Scheme of the IRIS nuclear-laser complex

1 – Cu-vapour lasers; 2 – broadband dye lasers; 3 – narrowband scanning dye laser; 4 – Fabry-Perot interferometer; 5 – photodiod; 6 – reference chamber; 7 – laser ion source; 8 – target; 9 – extraction electrod; 10 – mass-separator; 11 – a-detectors; 12 – tape-driving device; 13 – electron multiplier.