The KS25 series can continuously change the laser beam diameter, providing two beam expansion ratios: 2X ~6X and 5X ~10X. The magnification ratio of the beam expanding mirror and the divergence Angle of the outgoing beam can be adjusted by turning the magnifying handwheel and focusing handwheel on the lens so that the lines at both ends are basically aligned with the same value. The optical system of the variable beam extender adopts a separate lens group, so it can withstand higher power laser beams.
Product Parameters: Note: All of the following specifications are in millimeters (mm) by default
| Model number | Coating wavelength | Beam-spreading ratio | Incident spot diameter | Diameter of the emerging spot | Outside diameter | Overall length | Wavefront error | Damage threshold |
| KS25-01 | 450 ～680nm | 2×～6× | ∅4 | ∅24 | ∅53 | 98.7 | 1/5λ | >5J/cm2(pulse10HZ 10ns 1064nm) |
| KS25-02 | 900 ～ 1100nm | 2×～6× | ∅4 | ∅24 | ∅53 | 98.7 | 1/5λ | >5J/cm2(pulse10HZ 10ns 1064nm) |
| KS25-03 | 450 ～680nm | 5×～10× | ∅4 | ∅40 | ∅74 | 146.4 | 1/2λ | >5J/cm2(pulse10HZ 10ns 1064nm)Z 10ns 1064nm) |
| KS25-04 | 900 ～ 1100nm | 5×～10× | ∅4 | ∅40 | ∅74 | 146.4 | 1/2λ | >5J/cm2(pulse10HZ 10ns 1064nm) 10ns 1064nm) |
| KS25-05 | 650 ～900nm | 2×～6× | ∅4 | ∅24 | ∅53 | 98.7 | 1/5λ | >5J/cm2(pulse10HZ 10ns 1064nm) |
| KS25-06 | 650 ～900nm | 5×～10× | ∅4 | ∅40 | ∅74 | 146.4 | 1/5λ | >5J/cm2(pulse10HZ 10ns 1064nm) |
Product size:
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