Beamsplitter Cube (BSC1205)
Beamsplitter Cube is constructed by cementing two precision right-angle prisms together and coating an appropriate interference coating on their hypotenuse faces. The coating has extremely low absorption loss, with transmission and reflection close to 50% (average), although the output is partially polarized light.
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Overview
Specifications
| Parameter | Value |
|---|---|
| Material | BK7 grade A optical glass |
| Dimensional Tolerance | ±0.2 mm |
| Surface Figure [@ 632.8 nm] | λ/4 @ 632.8 nm |
| Surface Quality | 60-40 |
| T/R [Random Polarization] | 50/50±5 % for random polarization, T=(Tₛ+Tₚ)/2, R=(Rₛ+Rₚ)/2 |
| Beam Deviation | <3 ′ |
| Hypotenuse face coating | Partial Reflection |
| All input and output faces are coated | Anti-reflection coating |
| Standard coating wavelengths | Broadband: 450-650, 650-900 nm, 900-1200 nm, 1200-1550 nm, 1500-1610 nm |
| Dimensions | 15 mm × 15 mm × 15 mm |
| Standard Wavelength [Broadband] | 450-650,650-900,900-1200 nm, 1200-1550 nm,1500-1610nm |
Applications
Key Features
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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