F-Theta Scan Lenses are developed for ultrafast lasers with short pulse width and high pulse energy laser applications. These lenses are made with low dispersion Fused Silica with optical design to avoid back reflection and ghost image.

Standard fused silica f-theta lenses are suitable for all high-power-laser applications like welding,cleaning, and structuring. Thermal lens, which occurs at high power laser applications and leads to afocal shift, is also minimized.

F-Theta Lenses  405nm

P/N EFL(mm) Scan Angle Scan Field (mm) Beam Diameter (mm) Length (mm) Working Distance (mm) Spot um(1/e^2) Diameter Screw thread or lens diameter
FL-405-60-100 100 25 60X60 8 58 126.5 10 90 M85X1
FL-405-112-160 160 25 112X112 8 50 186.8 12 90 M85X1
FL-405-180-254 254 25 180X180 10 50 334.6 22 90 M85X1
FL-405-210-390 390 25 210X210 10 48 437.0 33 90 M85X1
FL-405-520-750 750 25 520X520 14 68 878.0 50 105 M85X1
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