無偏光ビームスプリッターキューブ(NPBS) | 
Non-Polarizing Beamsplitter Cube(NPB)

| Dimension Tolerance: | ±0.2 mm | 
|---|---|
| Flatness: | λ/4 @ 633 nm | 
| Surface Quality: | 60/40 | 
| Extinction Ratio: | >100:1 | 
| Beam Deviation: | < 3 arc minutes | 
| Transmittance: | 45%±5% | 
| Absorption: | <10% | 
| Polarization: | 6% | 
