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Beam Splitters Coatings |
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 45°Beam Splitters |
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Substrate: fused silica, BK7
Surface Figure: <λ/10 @ 632.8nm
Surface Quality: 40-20
Chamfer: 0.5mm, 45°
Coating Material: Electron beam deposited dielectric: multi-layers
Incident: 0°,45°
Laser-Induced Damage Threshold: >5J/cm2 (1.06μm,1ns) |
| Incident Angle |
Wavelength
(nm) |
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Separating |
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Tolerance |
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Tave/Rave |
Tp/Rp |
Tp/Rp |
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| 45° |
510-500 |
50/50 |
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±3% |
| 45° |
780 |
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50/50 |
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±3% |
| 45° |
632.8 |
50/50 |
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±3% |
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| Dichroic Beam Splitters |
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Substrate: fused silica, BK7
Surface Figure: <λ/10 @ 632.8nm
Surface Quality: 40-20
Chamfer: 0.5mm, 45°
Coating Material: Electron beam deposited dielectric: multi-layers
Incident: 0°,
Laser-Induced Damage Threshold: >5J/cm2 (1.06μm,1ns) |
| Incident Angle |
TWavelength (nm) |
Transmission |
RWavelength |
Reflectance |
| 0° |
808 |
>90% |
946 | >99.5% |
| 0° |
808 |
>90% |
1064 | >99.5% |
| 0° |
808 |
>90% |
1320 | >99.5% |
| 0° |
940 |
>90% |
1030 | >99.5% |
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| Polarizing Beam splitters Cubes |
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| Wavelength (nm) |
| 632.8 |
| 780 |
| 830 |
| 852 |
| 1064 |
| 1310 |
| 1550 |
| 420-470 |
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Substrate fused: silica, BK7
Surface Figure: <λ/10 @ 632.8nm
Surface Quality: 40-20
Chamfer: 0.5mm, 45°
Coating Material: Electron beam deposited dielectric: multi-layers
Incident:0°±2°
Polarizing: Tp≥98%; Ts≤0.2%
Extinction Ratio: Tp:Ts>500:1
AR Coating: R<0.25% |
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| Polarizing Beam splitter Plates |
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| Wavelength (nm) |
Wavelength (nm) |
| 20/25.4/30 |
780 |
| 20/25.4/30 |
1064 |
| 20/25.4/30 |
1310 |
| 20/25.4/30 |
1550 |
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Substrate fused: silica, BK7
Surface Figure: <λ/10 @ 632.8nm
Surface Quality: 40-20
Chamfer: 0.5mm, 45°
Coating Material: Electron beam deposited dielectric multi-layers
Imcident Angle: 56.6°±3°
Polarizing: Tp≥96%; Ts≤1%
Extinction Ratio: Tp:Ts>100:1
Wavelength Range: Visible, Near Infrared |
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