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 Visible 40/60 - Economy Grade
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| Our economy grade beamsplitters are a cost effective alternative to other grades of beamsplitters which can be useful for low quality applications such as lighting. They have a single layer TiO2 coating, however do not come with AR coating on the rear such as our higher quality beamsplitters do. The surface quality is lower than other types and the split ratio will vary more with wavelength.
This range is available in large sizes and can be customised to meet your requirements at short notice. Specifications: | Material: | Green Float glass | | Diameter: | +0 / -0.2mm | | Length / Width: | ±0.3mm (<100mm) ±0.5mm (>100mm) | | Thickness: | ± 0.2 mm | | Surface Quality: | <60:40 scratch/dig | | Flatness (typical): | 1/λ over 25mm aperture | | 1mm thk | 0.5-1.5λ over 10mm dia. | | 3mm thk | 1-2λ over 25mm dia. | | Parallelism: | <1 arcmin | | Coating: | Economy 40% (TiO2) | | | | | | | | |
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