Product Overview: The document details the specifications for a Calcium Fluoride (CaF2) 45°/45°/90° prism, designed for infrared applications.

Material: The prism is made from IR Grade Calcium Fluoride, known for its excellent transmission in the infrared spectrum.

Dimensions:

• Side A = Side B = 15mm with a tolerance of ±0.1mm
• Side C = 21.2mm with a tolerance of ±0.1mm
• Height (H) = 30mm

Angular Tolerance: The prism has an angular tolerance of ±6 arc minutes, ensuring precision in optical applications.

Surface Quality:

• Polished flatness is less than λ/2 at 4μm over 70% of the clear aperture.
• Scratch/Dig specification is 40-20, indicating high-quality surface finish.

Chamfers: All edges are chamfered to approximately 0.1mm to prevent chipping.

Manufacturer: Crystran Ltd, located at 1 Broom Road Business Park, Poole, BH12 4PA.

Document Details: The document is titled "CaF2 45° Prism," Issue A, dated 12/06, with the drawing number CAFPRISM15-45.