Overview:
Plate Beamsplitters consist of a thin, flat glass plate that has been coated on the
first surface to split incident light by a specified ratio that is
independent of the light's wavelength or polarization state, while
the back surface AR coated in order to improve efficiency and
minimize ghosting and interference effects.Plate beamsplitters are
often designed for a 45° AOI.
General Specifications of Plate Beamsplitter: | Material | BK7, UV Fused Silica | | Dimension Tolerance | +0/-0.2mm | | Thickeness Tolerance | ±0.2mm | | Clear Aperture | >90% | | Flatness | λ/4@632.8nm | | Parallelism | <1 arc minutes | | Surface Quality | 60/40 Scratch and Dig | | Coating | Partial reflecting Coating on front surface
AR coating on back surface | | T/R | ±5%, T=(Ts+Tp)/2, R=(Rs+Rp)/2 | | Damage Threshold | >1J/cm2, 20ns, 20Hz, @1064nm |
Standard Products of Cube Beamsplitter:
| Part No. | Material | Dimension
(mm) | Thickness
(mm) | T/R
(%) | Wavelength
(nm) | Polarization | AOI
(°) | | BSP12-T20-400-700 | N-BK7 | 12.7 | 3 | 20/80 | 400-700 | Avg. | 45 | | BSP25-T20-400-700 | N-BK7 | 25.4 | 3 | 20/80 | 400-700 | Avg. | 45 | | BSP50-T20-400-700 | N-BK7 | 50.8 | 3 | 20/80 | 400-700 | Avg. | 45 | | BSP12-T30-400-700 | N-BK7 | 12.7 | 3 | 30/70 | 400-700 | Avg. | 45 | | BSP25-T30-400-700 | N-BK7 | 25.4 | 3 | 30/70 | 400-700 | Avg. | 45 | | BSP50-T30-400-700 | N-BK7 | 50.8 | 3 | 30/70 | 400-700 | Avg. | 45 | | BSP12-T40-400-700 | N-BK7 | 12.7 | 3 | 40/60 | 400-700 | Avg. | 45 | | BSP25-T40-400-700 | N-BK7 | 25.4 | 3 | 40/60 | 400-700 | Avg. | 45 | | BSP50-T40-400-700 | N-BK7 | 50.8 | 3 | 40/60 | 400-700 | Avg. | 45 | | BSP12-T50-400-700 | N-BK7 | 12.7 | 3 | 50/50 | 400-700 | Avg. | 45 | | BSP25-T50-400-700 | N-BK7 | 25.4 | 3 | 50/50 | 400-700 | Avg. | 45 | | BSP50-T50-400-700 | N-BK7 | 50.8 | 3 | 50/50 | 400-700 | Avg. | 45 | | BSP1212-T50-400-700 | N-BK7 | 12.7x12.7 | 3 | 50/50 | 400-700 | Avg. | 45 | | BSP2525-T50-400-700 | N-BK7 | 25.4x25.4 | 3 | 50/50 | 400-700 | Avg. | 45 | | BSP5050-T50-400-700 | N-BK7 | 50.8x50.8 | 3 | 50/50 | 400-700 | Avg. | 45 | | BSP12-T60-400-700 | N-BK7 | 12.7 | 3 | 60/40 | 400-700 | Avg. | 45 | | BSP25-T60-400-700 | N-BK7 | 25.4 | 3 | 60/40 | 400-700 | Avg. | 45 | | BSP50-T60-400-700 | N-BK7 | 50.8 | 3 | 60/40 | 400-700 | Avg. | 45 | | BSP12-T70-400-700 | N-BK7 | 12.7 | 3 | 70/30 | 400-700 | Avg. | 45 | | BSP25-T70-400-700 | N-BK7 | 25.4 | 3 | 70/30 | 400-700 | Avg. | 45 | | BSP50-T70-400-700 | N-BK7 | 50.8 | 3 | 70/30 | 400-700 | Avg. | 45 | | BSP12-T80-400-700 | N-BK7 | 12.7 | 3 | 80/20 | 400-700 | Avg. | 45 | | BSP25-T80-400-700 | N-BK7 | 25.4 | 3 | 80/20 | 400-700 | Avg. | 45 | | BSP50-T80-400-700 | N-BK7 | 50.8 | 3 | 80/20 | 400-700 | Avg. | 45 | | BSP12-T20-650-900 | N-BK7 | 12.7 | 3 | 20/80 | 650-900 | Avg. | 45 | | BSP25-T20-650-900 | N-BK7 | 25.4 | 3 | 20/80 | 650-900 | Avg. | 45 | | BSP50-T20-650-900 | N-BK7 | 50.8 | 3 | 20/80 | 650-900 | Avg. | 45 | | BSP12-T30-650-900 | N-BK7 | 12.7 | 3 | 30/70 | 650-900 | Avg. | 45 | | BSP25-T30-650-900 | N-BK7 | 25.4 | 3 | 30/70 | 650-900 | Avg. | 45 | | BSP50-T30-650-900 | N-BK7 | 50.8 | 3 | 30/70 | 650-900 | Avg. | 45 | | BSP12-T40-650-900 | N-BK7 | 12.7 | 3 | 40/60 | 650-900 | Avg. | 45 | | BSP25-T40-650-900 | N-BK7 | 25.4 | 3 | 40/60 | 650-900 | Avg. | 45 | | BSP50-T40-650-900 | N-BK7 | 50.8 | 3 | 40/60 | 650-900 | Avg. | 45 | | BSP12-T50-650-900 | N-BK7 | 12.7 | 3 | 50/50 | 650-900 | Avg. | 45 | | BSP25-T50-650-900 | N-BK7 | 25.4 | 3 | 50/50 | 650-900 | Avg. | 45 | | BSP50-T50-650-900 | N-BK7 | 50.8 | 3 | 50/50 | 650-900 | Avg. | 45 | | BSP1212-T50-650-900 | N-BK7 | 12.7x12.7 | 3 | 50/50 | 650-900 | Avg. | 45 | | BSP2525-T50-650-900 | N-BK7 | 25.4x25.4 | 3 | 50/50 | 650-900 | Avg. | 45 | | BSP5050-T50-650-900 | N-BK7 | 50.8x50.8 | 3 | 50/50 | 650-900 | Avg. | 45 | | BSP12-T60-650-900 | N-BK7 | 12.7 | 3 | 60/40 | 650-900 | Avg. | 45 | | BSP25-T60-650-900 | N-BK7 | 25.4 | 3 | 60/40 | 650-900 | Avg. | 45 | | BSP50-T60-650-900 | N-BK7 | 50.8 | 3 | 60/40 | 650-900 | Avg. | 45 | | BSP12-T70-650-900 | N-BK7 | 12.7 | 3 | 70/30 | 650-900 | Avg. | 45 | | BSP25-T70-650-900 | N-BK7 | 25.4 | 3 | 70/30 | 650-900 | Avg. | 45 | | BSP50-T70-650-900 | N-BK7 | 50.8 | 3 | 70/30 | 650-900 | Avg. | 45 | | BSP12-T80-650-900 | N-BK7 | 12.7 | 3 | 80/20 | 650-900 | Avg. | 45 | | BSP25-T80-650-900 | N-BK7 | 25.4 | 3 | 80/20 | 650-900 | Avg. | 45 | | BSP50-T80-650-900 | N-BK7 | 50.8 | 3 | 80/20 | 650-900 | Avg. | 45 | | BSP12-T20-900-1200 | N-BK7 | 12.7 | 3 | 20/80 | 900-1200 | Avg. | 45 | | BSP25-T20-900-1200 | N-BK7 | 25.4 | 3 | 20/80 | 900-1200 | Avg. | 45 | | BSP50-T20-900-1200 | N-BK7 | 50.8 | 3 | 20/80 | 900-1200 | Avg. | 45 | | BSP12-T30-900-1200 | N-BK7 | 12.7 | 3 | 30/70 | 900-1200 | Avg. | 45 | | BSP25-T30-900-1200 | N-BK7 | 25.4 | 3 | 30/70 | 900-1200 | Avg. | 45 | | BSP50-T30-900-1200 | N-BK7 | 50.8 | 3 | 30/70 | 900-1200 | Avg. | 45 | | BSP12-T40-900-1200 | N-BK7 | 12.7 | 3 | 40/60 | 900-1200 | Avg. | 45 | | BSP25-T40-900-1200 | N-BK7 | 25.4 | 3 | 40/60 | 900-1200 | Avg. | 45 | | BSP50-T40-900-1200 | N-BK7 | 50.8 | 3 | 40/60 | 900-1200 | Avg. | 45 | | BSP12-T50-900-1200 | N-BK7 | 12.7 | 3 | 50/50 | 900-1200 | Avg. | 45 | | BSP25-T50-900-1200 | N-BK7 | 25.4 | 3 | 50/50 | 900-1200 | Avg. | 45 | | BSP50-T50-900-1200 | N-BK7 | 50.8 | 3 | 50/50 | 900-1200 | Avg. | 45 | | BSP1212-T50-900-1200 | N-BK7 | 12.7x12.7 | 3 | 50/50 | 900-1200 | Avg. | 45 | | BSP2525-T50-900-1200 | N-BK7 | 25.4x25.4 | 3 | 50/50 | 900-1200 | Avg. | 45 | | BSP5050-T50-900-1200 | N-BK7 | 50.8x50.8 | 3 | 50/50 | 900-1200 | Avg. | 45 | | BSP12-T60-900-1200 | N-BK7 | 12.7 | 3 | 60/40 | 900-1200 | Avg. | 45 | | BSP25-T60-900-1200 | N-BK7 | 25.4 | 3 | 60/40 | 900-1200 | Avg. | 45 | | BSP50-T60-900-1200 | N-BK7 | 50.8 | 3 | 60/40 | 900-1200 | Avg. | 45 | | BSP12-T70-900-1200 | N-BK7 | 12.7 | 3 | 70/30 | 900-1200 | Avg. | 45 | | BSP25-T70-900-1200 | N-BK7 | 25.4 | 3 | 70/30 | 900-1200 | Avg. | 45 | | BSP50-T70-900-1200 | N-BK7 | 50.8 | 3 | 70/30 | 900-1200 | Avg. | 45 | | BSP12-T80-900-1200 | N-BK7 | 12.7 | 3 | 80/20 | 900-1200 | Avg. | 45 | | BSP25-T80-900-1200 | N-BK7 | 25.4 | 3 | 80/20 | 900-1200 | Avg. | 45 | | BSP50-T80-900-1200 | N-BK7 | 50.8 | 3 | 80/20 | 900-1200 | Avg. | 45 |
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