ZnSe Axicon focus lenses
ZnSe Axicon focus lenses have one conical surface and are used to produce a ring focus beam. Typically, axicon focus lenses have a second flat surface and are used in combination with a focusing lens. Our high-grade ZnSe Axicon lenses are made from a manufacturing process suited to the axicon angle and the accuracy required. For small angle, high accuracy lenses, the manufacturing process involves diamond-machining.
Standard Axicon lens – Axicon cone angle equal to 180°-2α
(+/-0.01 deg): α (°)
Cone Angle 140°: 20°
Cone Angle 160°: 10°
Cone Angle 165°: 7.5°
Cone Angle 170°: 5°
Cone Angle 175°: 2.5°
Cone Angle 179.5°: 0.25°= 15′
