Micro Wedge Prism (Wedge Angle: 1°, Ø1 mm)
Specifications
Prism Type: Optical Wedge / Wedge Prism (Circular)
Diameter: 1.00 mm (+0.00 / -0.05 mm)
Wedge Angle: 1° (1 degree) ± 3 arcmin
Thickness at Center: 0.50 mm (nominal, adjustable per customer requirement)
Material: N-BK7 (nd = 1.5168 @ 587.6 nm); UV Fused Silica, CaF₂, ZnSe available on request
Dimensional Tolerance: ±0.025 mm
Wedge Angle Tolerance: ±3 arcmin (±1 arcmin available on request)
Surface Quality: 40-20 or 20-10 Scratch-Dig (per MIL-PRF-13830B)
Surface Flatness: λ/4 @ 632.8 nm (λ/10 optional)
Parallelism (between surfaces): Not applicable (intentional wedge angle)
Clear Aperture: > 85% of diameter
Coating Options: Uncoated / BBAR (350–700 nm, 400–700 nm, or 650–1050 nm) / Partial reflective coatings available
Wavelength Range: 400–700 nm (Visible); extended UV–NIR on FS substrate
Beam Deviation: Approx. 0.52° @ 587.6 nm (deviation δ ≈ (n−1) × α for small angles)
Bevel / Chamfer: Protective chamfer 0.05–0.10 mm × 45°
