In 3DOptix noncollinear SHG Modules, two parallel incoming beams hit an off-axis parabolic mirror that focuses them on a nonlinear crystal. The second harmonic output is generated exactly on the 3Doptix grid, allowing an easy and accurate alignment. In 90751 module, the interval between the parallel incoming beams is 0.75’’/18.75 mm and the off-axis parabolic mirror is based on 1’’/25mm optics, whereas in 90752 module the interval between the parallel incoming beams is 1.5''/37.5mm and the off-axis parabolic mirror is based on 2''/50mm optics.
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