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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Overview
Specifications
| Parameter | Value |
|---|---|
| Material | N-BK7 or H-K9L |
| Wavelength(Narrowband) | 532 nm, 633 nm, 850 nm, 980 nm, 1064 nm, 1310 nm, 1550 nm |
| Wavelength(Broadband) | 450-650nm, 650-850nm, 900-1200nm, 1250-1570nm, 1500-1610nm |
| Dimension Tolerance | ±0.2 mm |
| Thickness Tolerance | ±0.2 mm |
| Flatness(per 25mm@632.8nm) | λ/4 |
| Surface Quality | 60/40 |
| Parallelism | <1 arc minute |
| T/R | 50/50±5 %, for random polarization ,T=(Ts+Tp)/2, R=(Rs+Rp)/2 |
| Coating | Surface1: partial reflection coating Surface2: Anti Reflection coating |
Datasheet
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Supplier Information
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The nonpolarizing beamsplitter cube consists of two right-angle prisms with a metal-dielectric coating on the hypotenuse and antireflection coatings on all entrance and exit faces. Its NPBS coating keeps P- and S-polarized transmission and reflection within 6%. Custom NPBS cube sizes are available.
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A conventional beamsplitter cube consists of two right-angle prisms. One hypotenuse face has a metallic coating or a highly reflective dielectric coating, while the other faces have AR coatings.
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