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BeamSplitter Plate
the common Beam splitters are used to split or combine laser beam. The performance of beamsplitters is mainly dependent on the coating specifications.
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Attribute
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Specification
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Material
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N-BK7 or H-K9L
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Wavelength(Narrowband)
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532, 633, 850, 980, 1064, 1310, 1550nm
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Wavelength(Broadband)
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450-650nm, 650-850nm, 900-1200nm, 1250-1570nm, 1500-1610nm
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Dimension Tolerance(mm)
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±0.2
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Thickness Tolerance(mm)
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±0.2
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Flatness(per 25mm@632.8nm)
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λ/4
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Surface Quality
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60/40
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Parallelism
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<1 arc minute
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T/R
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50/50±5%, for random polarization ,T=(Ts+Tp)/2, R=(Rs+Rp)/2
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Coating
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Surface1: partial reflection coating
Surface2: Anti Reflection coating
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