(a) CAD drawing of the JOKARUS laser system module (Laser system in Figure
). From top to bottom: ECDL, optical isolator, EOM and AOM. The dimensions are 290 mm × 225 mm × 58 mm with a total mass of 3.5 kg. (b) A photograph of the assembled JOKARUS ECDL with dimensions of 128 mm × 78 mm × 23 mm and a total mass of 760 g.