Additional information
| Dimension | 5mm cube, 10mm cube, 15mm cube, 20mm cube, 30mm cube, 0.5" cube, 1.0" cube, 1.5" cube, 2.0" cube |
|---|---|
| Material | BK7 Grade A |
| Reflectivity | 27R % |
| Wavelength | VIS nm, NIR nm |
Neutral Broadband Cube Beamsplitter (NBCB)
- All Metal Coating
- Extreme broadband Single Layer MgF2 coating in all legs
- Absorption = 45% +/- 5%
- Spectral range : 350-2100nm
These all-metal coatings both absorb and reflect the incident radiation. These beamsplitters have high absorption and high neutrality over a range covering the visible and near infra-red. R and T are about 27% with 45% absorption.
| Substrate: | BK7A |
| Surface Flatness: | < λ / 8 @ 633 nm |
| Surface Quality: | <20/10 |
| Beam Deviation: | < 3 arc min |
| Dimension Tolerance: | < + 0.00 / -0.20 mm |
| AR Coating: | Single layer MgF2 coating |
| T & R average values: | 27% ± 3% |
| Clear Aperture: | > 85% of central circular dimension |
| Spectral Range: | 350 nm to 2100 nm |
| Temperature Range: | – 50° C to 80° C |
| Absorption: | 45% ± 5% |
Neutral Broadband Cube Beamsplitter (NBCB)
