Custom Right Angle Prism N-BK7 / Fused Silica – 90° Beam Deviation Reflecting Prism
Specifications
Prism Type: Right Angle Prism (45-45-90 degrees)
Leg Size (A = B): 1.0 mm - 50.0 mm (custom >= 0.5 mm available)
Hypotenuse Length: A x Square Root of 2
Material: N-BK7 (standard), H-K9L, UV Fused Silica, SF11, CaF2, ZnSe, Si
Dimensional Tolerance: +/- 0.05 mm (standard), +/- 0.02 mm (high precision)
Angle Tolerance: +/- 2 arcmin (+/- 30 arcsec / +/- 5 arcmin available on request)
Surface Quality: 20-10 / 40-20 Scratch-Dig (MIL-PRF-13830B)
Surface Flatness: Lambda/4 @ 632.8 nm (Lambda/10 irregularity optional)
Coating Options: Uncoated (for TIR use) / Protected Al or Ag on hypotenuse / BBAR on legs (400-700 / 650-1050 nm) / Dielectric HR
Wavelength Range: 350-2100 nm (BK7/UVFS); IR substrates for MWIR/LWIR
Beam Deviation: 90 degrees (via TIR or coated hypotenuse)
Image Orientation: Left-handed (inverted + reverted - depends on entry face)
Bevel / Chamfer: Protective bevel 0.05-0.30 mm x 45 degrees
