Supply kinds of Plano convex Si-lens, Bi-convex Si-lens, Plano concave Si-lens, Bi-concave Si-lens according to custom design.

Material: Si(Silicon)

Radius: ±10mm --- ±1000mm

Diameter: 10mm --- 50mm

Surface accuracy: λ/2 -- 2λ

Surface quality: 60-40

Centration: <3'

Clear Aperture: >90%

Chamfer: 0.2×45°

Coating: custom design