Beam splitter plate splits a beam of light in two, allowing a reflection of incident light with certain ratio and a transmission of remained lights.
Whether beam splitter plate functions well mainly lies on the performance of its coating.
Beam splitter plate is mainly applied in laser bonding, fiber laser welding, scientific research, teaching, communication and etc.
Technical parameters:
Material: BK7/Fused Silica
Diameter tolerance: ±0.1 mm
Thickness tolerance: ±0.15 mm
Flatness: λ/2/inch per@ 632.8 nm
Parallelism: <1arc min
Surface quality: 40-20
Clear aperture: >90%
Bevel: <0.2×45°
Coating: dielectric coating; Incident angle: 45°
Reflection/transmission (R/T): 50/50
Common standard:
| Catalog No. | Diameter (mm) | Thickness (mm) | DWL (nm) |
| BJP-BP-12.5-3 | 12.5 | 3 | 355 |
| BJP-BP-30-3 | 30 | 3 | 1064/650 |
| BJP-BP-30-4 | 30 | 4 | 1064/650 |
| BJP-BP-30-5-6 | 30 | 5 | 1064/650 |
| BJP-BP-30-5 | 30 | 5 | 1064 |
| BJP-BP-45-3 | 45 | 3 | 1064 |
| BJP-BP-30-30-4 | 30x30 | 4 | 1064 |
| BJP-BP-30-34-4 | 30x34 | 4 | 1064 |
| BJP-BP-51-30-3 | 51x30 | 3 | 1064 |
| BJP-BP-50-50-3 | 50x50 | 3 | 468 |
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