PRODUCTS INFORMATION

Beamsplitter are used to split or combine laser beam. However Polarization BeamSplitters are used to split or combine two perpendicular polarization laser beam. The performance of beam splitter depends on the coating specifications. For the coating curves of each types of beamsplitters, please refer to Coating section for more information.

To select a suitable beamsplitter, you need to consider the type, coating, transmission range and damage threshold.

Item	Drawing	Main Specifications
· Beamsplitter Plate		Material: BK7 grade A, optical glass Dimension Tolerance: +/-0.2mm Thickness Tolerance: +/-0.2mm Flatness: 1/4@ 632.8 nm per 25mm Surface Quality: 60/40 scratches and dig Parallelism: <1 arc minute T/R 50/50±5%, for random polarization T=(Ts+Tp)/2, R=(Rs+Rp)/2
· Cube Beamsplitter		Material: BK7 grade A, optical glass Dimension Tolerance: +/-0.2mm Thickness Tolerance: +/-0.2mm Flatness: 1/4@ 632.8 nm per 25mm Surface Quality: 60/40 scratches and dig Parallelism: <1 arc minute T/R 50/50±5%, for random polarization T=(Ts+Tp)/2, R=(Rs+Rp)/2
· Polarization Beamsplitter Cube		Material: BK7 grade A, optical glass Dimension Tolerance: +/-0.2mm Thickness Tolerance: +/-0.2mm Flatness: 1/4@ 632.8 nm per 25mm Surface Quality: 60/40 scratches and dig Parallelism: <1 arc minute T/R 50/50±5%, for random polarization T=(Ts+Tp)/2, R=(Rs+Rp)/2
· Non-Polarizing Cube Beamsplitters (NPBS)		Material: BK7 grade A, optical glass Dimension Tolerance: +/-0.2mm Thickness Tolerance: +/-0.2mm Flatness: 1/4@ 632.8 nm per 25mm Surface Quality: 60/40 scratches and dig Parallelism: <1 arc minute T/R 50/50±5%, for random polarization T=(Ts+Tp)/2, R=(Rs+Rp)/2

Note: special size and coating are available upon request.

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