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Beamsplitter Plate
Beamsplitter plate can be used with high power laser. When using beamsplitter plate, it is important to bear in mind that the two partial beams travel different optical paths. And the optical paths depend on the incident angle and the thickness of plate.
Characteristic
Material: UV Grade Fused Silica
Beamsplitter Coating for: 350 - 1100nm, 400 - 700nm, 600 - 1700nm, 700 - 1100nm at 45° AOI
Split Ratio(R:T): 10:90, 30:70, 50:50, 70:30, or 90:10, etc
General Specifications:
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Dimension(mm) |
Dia12.7 |
Dia25.4 |
Dia50.8 |
36.0x25.0 |
upon request |
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Dimension Tolerance |
+/- 0.2mm |
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Wavelength Range |
350 - 1100 nm |
400 - 700nm |
600 - 1700nm |
700 - 1100nm |
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Substrate |
UV Fused Silica |
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Split Ratio(R:T) |
10:90 30:70 50:50 70:30 90:10 at 45°AOI |
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Beamsplitter coating |
Beamsplitter coating designed for AOI=45° |
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AR-Coating |
Broadband AR coating Ravg <2.0% within Wavelength Range |
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Surface Quality |
40-20 up to 20-10 scratch and dig |
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Surface Flatness |
λ/4 up to λ/ 8 @ 633 nm |
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Wavefront Distortion Error |
< λ/4 @ 633 nm |
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Clear Aperture |
>80% |
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