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Fresnel Rhombs SKU: 480-1410
• Rotate polarization, operates over a wide wavelength range • λ/2 rhomb is two optically contacted λ/4 rhombs Due to unequal phase shifts arising in orthogonally polarized components of an incident wave at total internal reflection Fresnel Rhombs are used to alter…
Variant specifications
| Specification | Value |
|---|---|
| Clear aperture | 10 mm |
| Material | UVFS |
| Holder length L | 25 mm |
| Retardation | λ /4 |
| Holder diameter D | 65 mm |
| Wavelength range | 210-400 nm |
| Group | Mounted Fresnel Rhombs |
Shared product specifications
These specifications apply across the Fresnel Rhombs product family.
| Material | BK7, UVFS |
| Operating spectral range BK7: | 400-2000 nm |
| Operating spectral range UVFS: | 210-400 nm |
| Surface quality | 20-10 scratch & dig (MIL-PRF-13830B) |
| Surface flatness | λ / 10 @ 633 nm (all polished surfaces) |
| Retardation tolerance | ±2° |
| Broad band AR coating | R < 1% |
| Laser damage threshold | > 0.5 J / cm², 10 nsec pulse, 1064 typical |
Classification
| Type | rotator/fresnel |