Polarization Beamsplitters
Polarization beamsplitter cubes are constructed by cemented two right angle prisms, the hypotenuse of one prism is coated with polarization dielectric coating. When used with normal incident, un-polarized light, the incident beam is separated into two polarized beams, p-polarized component is passed straight through, s-polarized component is reflected out at 90deg.
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Overview
Specifications
| Parameter | Value |
|---|---|
| Material | N-BK7 or N-SF5 |
| Dimensional tolerance | ±0.1mm |
| Beam deviation | 3 arc min |
| Surface quality | 60-40 S/D |
| Surface flatness [632.8nm] | λ/4@632.8nm |
| Clear aperture | >90% |
| Bevel | Protective bevel |
| Hypotenuse | Polarization dielectric coating |
| Entrance & exit faces | AR coating |
| Transmittance [Laser line] | Tp>96% and Ts<0.2% |
| Reflectance [Laser line] | Rp<4% and Rs>99.7% |
| Extinction Ratio [Laser line] | 500:1 |
| Transmittance [Broadband wavelength] | Tp>95% and Ts<0.5% |
| Reflectance [Broadband wavelength] | Rp<5% and Rs>99.5% |
| Extinction Ratio [Broadband wavelength] | 200:1 |
| Incidence of angle | 0°±2° |
| Size [Typical Sizes] | 5.0x5.0x5.0; 18.0x18.0x18.0; 10.0x10.0x10.0; 20.0x20.0x20.0; 12.7x12.7x12.7; 25.4x25.4x25.4; 15.0x15.0x15.0; 30.0x30.0x30.0 |
Datasheet
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Supplier Information
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