Successful operation of 8 beam SG-Ⅱlaserfacility for both 1w 0 and 3w 0 output

SG-Ⅱlaser facility has recently been able to deliver 3w 0 (blue) light with the outer conversion efficiency of ≥60% during its routine operation. The pinhole injection experiment this year indicated the optical quality of the blue, especially the side lobe distribution, was even better than that of the red (1w 0). With the 100ps red light output, DT fuel exploding pusher experiment delivered the maximum neutron yields of 4×109 per shot. The red light line focus has led to the Ni like Ag X-ray laser's saturation and the successful observation of the Moire fringe deflection while the laser was applied to a separated laser plasmas. This paper presents the optical features of SG-Ⅱlaser facility and describes some of the experiments conducted on the facility.