Micro Stepped Right Angle Prism - Precision 45-45-90 Step Prism
Specifications
Prism Type: Stepped Right Angle Prism (45-45-90 with machined step(s) on input/output leg)
Base Leg Size (A = B): 5.0 mm - 50.0 mm (custom mini sizes >= 3.0 mm available)
Step Height: 0.5 mm - 10.0 mm (custom per drawing; typical 1.0 / 2.0 / 3.0 mm)
Number of Steps: 1 (single step) / 2 / 3 / custom multi-tier
Step Face Width: Per base leg dimension (full face or partial step optional)
Step Location: On entrance leg / exit leg / both (specify in drawing)
Material: N-BK7 (std), H-K9L, UV Fused Silica, SF11, CaF2 (IR on request)
Dimensional Tolerance: +/- 0.05 mm (steps +/- 0.02 mm on request)
Angle Tolerance: +/- 2 arcmin (+/- 30 arcsec available)
Surface Quality: 40-20 or 20-10 Scratch-Dig (MIL-PRF-13830B)
Surface Flatness: Lambda/4 @ 632.8 nm (Lambda/10 optional on clear aperture)
Coating Options: Uncoated (for TIR) / Protected Al/Ag on hypotenuse / BBAR 400-700 nm or 650-1050 nm on step faces / Dielectric HR
