Beamsplitter Cubes VIS
LINOS® VIS beamsplitter cubes provide precise light control in optical systems, delivering reliable performance for beam splitting and combining. They maintain beam integrity without angular or lateral deviation, ensuring accurate alignment of reflected and transmitted paths. Constructed from premium N-BK7 glass, these cubes offer durability in a compact, robust design. Reflectance and transmittance are balanced at approximately 50% for unpolarized light, providing consistent results across various applications. The broadband anti-reflection coating minimizes losses and enhances efficiency and stability in laser and photonics systems.
LINOS beamsplitter cubes are engineered for low-power laser applications and are suitable for laboratory and industrial environments that demand high accuracy and reliability. The beamsplitting ratio is customizable to meet specific application requirements, providing flexibility and making these cubes a versatile solution for complex optical systems.
Beamsplitter cube: h height, L1 width, L2 length
| Product | Beamsplitter Cube VIS; N-BK7; L=5 | Beamsplitter Cube VIS; N-BK7; L=10 | Beamsplitter Cube VIS; N-BK7; L=12.5 | Beamsplitter Cube VIS; N-BK7; L=16 | Beamsplitter Cube VIS; N-BK7; L=20 | Beamsplitter Cube VIS; N-BK7; L=25 | Beamsplitter Cube VIS; N-BK7; L=30 |
| Weight (kg) | 3.0E-4 | 0.003 | 0.005 | 0.01 | 0.02 | 0.039 | 0.068 |
| Shape | Cube | Cube | Cube | Cube | Cube | Cube | Cube |
| Optic Size | 5.0 mm | 10.0 mm | 12.5 mm | 16.0 mm | 20.0 mm | 25.0 mm | 30.0 mm |
| Optic Substrate | N-BK7 | N-BK7 | N-BK7 | N-BK7 | N-BK7 | N-BK7 | N-BK7 |
| Clear aperture | Ø 4.0 mm | Ø 8.0 mm | Ø 10.0 mm | Ø 14.0 mm | Ø 16.0 mm | Ø 21.0 mm | Ø 26.5 mm |
| Wavelength Range | 400.0 - 750.0 nm | 400.0 - 750.0 nm | 400.0 - 750.0 nm | 400.0 - 750.0 nm | 400.0 - 750.0 nm | 400.0 - 750.0 nm | 400.0 - 750.0 nm |
| Tolerance h | -0.075 mm | -0.09 mm | -0.11 mm | -0.11 mm | -0.13 mm | -0.13 mm | -0.16 mm |
| Tolerance L1 | ± 0.3 mm | ± 0.3 mm | ± 0.2 mm | ± 0.2 mm | ± 0.4 mm | ± 0.4 mm | ± 0.4 mm |
| Tolerance L2 | ± 0.3 mm | ± 0.3 mm | ± 0.2 mm | ± 0.2 mm | ± 0.4 mm | ± 0.4 mm | ± 0.4 mm |
| Coating Specification |
1x T:R=50:50±5% @400-750 nm 4x R<0.5% @450-700 nm |
1x T:R=50:50±5% @400-750 nm 4x R<0.5% @450-700 nm |
1x T:R=50:50±5% @400-750 nm 4x R<0.5% @450-700 nm |
1x T:R=50:50±5% @400-750 nm 4x R<0.5% @450-700 nm |
1x T:R=50:50±5% @400-750 nm 4x R<0.5% @450-700 nm |
1x T:R=50:50±5% @400-750 nm 4x R<0.5% @450-700 nm |
1x T:R=50:50±5% @400-750 nm 4x R<0.5% @450-700 nm |
For splitting or combining light beams, enables flexible optical system design
No angular or lateral deflection of transmitted beams, ensures high-precision beam alignment
Reflected and transmitted beams transit identical optical paths, guarantees consistent optical timing and path length
Compact, rugged units made of N-BK7 glass for easy integration
Designed for use with low-power lasers (0.1 J / cm2 for 10 ns pulses at 1064 nm)
Optionally available with other beamsplitting ratios
Reflectance ≈ transmittance ±5 % for unpolarized light and absorption < 5 % allows for consistent, balanced splitting
Broadband AR-coated reduces reflection losses across NIR wavelengths
8 arcmin angular beam deflection tolerance, maintains beam accuracy even under minor alignment variations


| Product | Beamsplitter Cube VIS; N-BK7; L=5 | Beamsplitter Cube VIS; N-BK7; L=10 | Beamsplitter Cube VIS; N-BK7; L=12.5 | Beamsplitter Cube VIS; N-BK7; L=16 | Beamsplitter Cube VIS; N-BK7; L=20 | Beamsplitter Cube VIS; N-BK7; L=25 | Beamsplitter Cube VIS; N-BK7; L=30 |
| Weight (kg) | 3.0E-4 | 0.003 | 0.005 | 0.01 | 0.02 | 0.039 | 0.068 |
| Shape | Cube | Cube | Cube | Cube | Cube | Cube | Cube |
| Optic Size | 5.0 mm | 10.0 mm | 12.5 mm | 16.0 mm | 20.0 mm | 25.0 mm | 30.0 mm |
| Optic Substrate | N-BK7 | N-BK7 | N-BK7 | N-BK7 | N-BK7 | N-BK7 | N-BK7 |
| Clear aperture | Ø 4.0 mm | Ø 8.0 mm | Ø 10.0 mm | Ø 14.0 mm | Ø 16.0 mm | Ø 21.0 mm | Ø 26.5 mm |
| Wavelength Range | 400.0 - 750.0 nm | 400.0 - 750.0 nm | 400.0 - 750.0 nm | 400.0 - 750.0 nm | 400.0 - 750.0 nm | 400.0 - 750.0 nm | 400.0 - 750.0 nm |
| Tolerance h | -0.075 mm | -0.09 mm | -0.11 mm | -0.11 mm | -0.13 mm | -0.13 mm | -0.16 mm |
| Tolerance L1 | ± 0.3 mm | ± 0.3 mm | ± 0.2 mm | ± 0.2 mm | ± 0.4 mm | ± 0.4 mm | ± 0.4 mm |
| Tolerance L2 | ± 0.3 mm | ± 0.3 mm | ± 0.2 mm | ± 0.2 mm | ± 0.4 mm | ± 0.4 mm | ± 0.4 mm |
| Coating Specification |
1x T:R=50:50±5% @400-750 nm 4x R<0.5% @450-700 nm |
1x T:R=50:50±5% @400-750 nm 4x R<0.5% @450-700 nm |
1x T:R=50:50±5% @400-750 nm 4x R<0.5% @450-700 nm |
1x T:R=50:50±5% @400-750 nm 4x R<0.5% @450-700 nm |
1x T:R=50:50±5% @400-750 nm 4x R<0.5% @450-700 nm |
1x T:R=50:50±5% @400-750 nm 4x R<0.5% @450-700 nm |
1x T:R=50:50±5% @400-750 nm 4x R<0.5% @450-700 nm |
For splitting or combining light beams, enables flexible optical system design
No angular or lateral deflection of transmitted beams, ensures high-precision beam alignment
Reflected and transmitted beams transit identical optical paths, guarantees consistent optical timing and path length
Compact, rugged units made of N-BK7 glass for easy integration
Designed for use with low-power lasers (0.1 J / cm2 for 10 ns pulses at 1064 nm)
Optionally available with other beamsplitting ratios
Reflectance ≈ transmittance ±5 % for unpolarized light and absorption < 5 % allows for consistent, balanced splitting
Broadband AR-coated reduces reflection losses across NIR wavelengths
8 arcmin angular beam deflection tolerance, maintains beam accuracy even under minor alignment variations

