Material

Barium Fluoride (BaF₂)*

Configuration

Plane parallel or wedged

Diameter Tolerance

+/- 0.1 mm

Thickness Tolerance

+/- 0.1 mm

Parallelism

≤ 5 arc. min

Flatness

Lambda/2 at 633 nm or upon customer's request

Scratch - Dig

60-40 or upon customer's request down to 20-10

Perpendicularity

90 degree +/- 30 arc min or upon customer's request