Non-polarizing beamsplitter prism (NPBS) UBPBS005
A non-polarizing beamsplitter (NPBS), also called an NPBS cube beamsplitter, is a more complex type made from two right-angle prisms joined at their hypotenuse faces. Before bonding, the cementing face of one prism receives a metal-dielectric coating with the required reflection characteristics, a specified reflection percentage, and color. Coating absorption loss is minimized, and transmission and reflection ratios can be set to 10%, 20%, 30%, 40%, 50%, and other values.
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Overview
Specifications
| Parameter | Value |
|---|---|
| Dimensions | 5 mm × 5 mm × 5 mm |
| Standard Wavelength [Optional standard wavelengths, not a continuous overall range] | 450-680, 650-850, 900-1200, 1250-1570, 1500-1610 nm |
| Material | N-SF2 grade A optical glass |
| Dimensional Tolerance | ±0.2 mm |
| Flatness [633nm] | λ/4 |
| Beam Tolerance | Minimum 3 |
| Surface Quality | 60-40 S/D |
| Principal Transmittance tp [Product Specifications] | >95% |
| Principal Transmittance ts [Product Specifications] | <1% |
| Principal Reflectance Rs [Product Specifications] | >99% |
| Principal Reflectance Rp [Product Specifications] | <5% |
| Coating [Hypotenuse face] | Broadband polarizing beamsplitter coating on the hypotenuse face |
| Coating [All input and output surfaces] | BBAR coating |
| Relative discrepancy in transmittance and reflectance between S and P polarization [Introduction in the body text; Conflicts with tp/ts in the product specifications] | Within 5% |
| Transmittance and reflectance options [Example options in the summary; Not combined with other models/wavelengths to create new SKUs] | 10%, 20%, 30%, 40%, 50%, etc. |
Key Features
Datasheet
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Supplier Information
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A non-polarizing beamsplitter (NPBS), also called an NPBS cube beamsplitter, is a more complex type made from two right-angle prisms joined at their hypotenuse faces. Before bonding, the cementing face of one prism receives a metal-dielectric coating with the required reflection characteristics, a specified reflection percentage, and color. Coating absorption loss is minimized, and transmission and reflection ratios can be set to 10%, 20%, 30%, 40%, 50%, and other values.
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