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All our beamsplitters are 3mm thick.
Tolerance on size +0/-0.25 mm.
They are coated on both sides to optimise use at an angle of incidence of 45°.
Front face, reflective coating:-
Transmission = 50±5% from 450nm to 650nm, i = 45°.
Rear face, special multilayer antireflection coating:-
Average reflectance <= 0.7% from 430nm to 660nm, i = 45°, without reflection from front face.
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