Dichroic Polarizers
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Plastic sheet polarizers are convenient and useful for multiple purposes
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Available with glass cover plates and mounting ring for rigidity and protection
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Unmounted versions available up to 100mm in diameter
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Single sheet transmission of 36%
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Extinction ratio of 1 x 10-4 for high contrast applications
These are sheets of dichroic plastic material which provide a reasonable degree of polarization at an economical price. They are laminated between two thin sheets of glass for rigidity and mounted in a metal ring for ease of use and handling. The optic axis is marked.
These are broadband devices operating over a range of 380-750nm, and 760-2000nm.
We also offer economical unmounted sheets of this material which are neither sandwiched between glass covers nor mounted in the aluminum ring around the outside. The unmounted material has a slight tendency to curl in one direction.
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| Diameter (nm) | Aperture (mm) | Optic Thickness (mm) | Mount Thickness (mm) | Wavelength Range (nm) | Glass/Metal Mount | Dimensions tolerance | Extinction Ratio | Transmittance @550nm | Material | Temperature Range | Coating |
|---|---|---|---|---|---|---|---|---|---|---|---|
| 30.0 | 24.0 | 3.0 | 6.0 | 400-700 | Yes | ±0.2mm | 1 x 10-4 | 26% | Dichroic plastic | -30 to +80C | Broadband AR |
| 50.0 | 44.0 | 3.0 | 6.0 | 400-700 | Yes | ±0.2mm | 1 x 10-4 | 26% | Dichroic plastic | -30 to +80C | Broadband AR |
| 30.0 | 24.0 | 3.0 | 6.0 | 760-2000 | Yes | ±0.2mm | 1 x 10-4 | 26% | Dichroic plastic | -30 to +80C | Broadband AR |
| 25.4 | 24.0 | 0.75 | - | 400-700 | No | ±0.2mm | 1 x 10-4 | 36% | Dichroic plastic | -30 to +80C | Broadband AR |
| 30.0 | 28.0 | 0.75 | - | 400-700 | No | ±0.2mm | 1 x 10-4 | 36% | Dichroic plastic | -30 to +80C | Broadband AR |
| 50.0 | 47.0 | 0.75 | - | 400-700 | No | ±0.2mm | 1 x 10-4 | 36% | Dichroic plastic | -30 to +80C | Broadband AR |
| 100.0 | 94.0 | 0.75 | - | 400-700 | No | ±0.2mm | 1 x 10-4 | 36% | Dichroic plastic | -30 to +80C | Broadband AR |