Polygonal Prism - N-BK7 Fused Silica - Pentagon / Hexagon / Octagon - Custom Polygon Shape - OEM Optical Prism
Specifications
Prism Type: Polygonal Prism (Multi-Sided Prism)
Polygon Shapes: Pentagon (5-side), Hexagon (6-side), Heptagon (7-side), Octagon (8-side), Decagon (10-side), Custom N-side polygon
Facet Count: 3 - 12 sides (custom up to 24 sides on request)
Overall Diameter (Circumscribed Circle): 5 mm - 100 mm (custom per drawing)
Facet Width: 1 mm - 50 mm (per polygon geometry)
Height / Thickness: 2 mm - 50 mm (custom)
Material: N-BK7 (std), H-K9L, UV Fused Silica, SF series, CaF2, ZnSe, Si (IR on request)
Dimensional Tolerance: +/- 0.05 mm (std); +/- 0.02 mm (high precision)
Facet Angle Tolerance: +/- 2 arcmin (std); +/- 30 arcsec (tight)
Surface Quality (Optical Facets): 20-10 / 40-20 Scratch-Dig (MIL-PRF-13830B)
Surface Flatness (Optical Facets): Lambda/4 @ 632.8 nm (Lambda/10 optional)
Non-Optical Surface Finish: Fine ground (std) / Matt black painted (stray light suppression) / Polished (if used optically)
Coating Options (per facet): Uncoated / MgF2 / BBAR 400-700 nm / 650-1050 nm / Protected Al or Ag / Dielectric HR / Custom per facet
