Example: The legs may be coated with second-surface aluminum protected by black sealing paint to ensure grazing incidence reflection. These prisms are suitable for optical delay lines and for high power use.
Material | BK7 or UV fused silica |
Dimension Tolerance | +0/-0.25mm |
Clear Aperture | >central 85% of dimension |
Beam Deviation | <3′ |
Surface Quality | 40/20 |
Flatness | λ/4 @632.8nm |
Chamfers | 0.25-0.5mm face width (typical) ×45°±15° |