Mica Waveplates
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For use throughout the visible spectrum
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First order retardation calibrated at 550nm
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Protected by glass cover plates on both sides
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Precisely made from optical grade natural mica
These useful broadband waveplates are manufactured by cleaving crystalline mica to have the precise required first order retardation at 550nm wavelength. They are useful throughout the visible spectrum from 400 to 700nm. The mica is sandwiched between optical glass discs for protection and ease of use. The optic axis is marked. These mica waveplates are uncoated.
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| Wavelength (nm) | Diameter (mm) | Thickness (mm) | Retardation | Wavefront | Surface Quality | Dimensions tolerance | Material |
|---|---|---|---|---|---|---|---|
| 400-700 | 10.0 | 2.5 | λ/4 | 2λ | 40 - 20 | ±0.2mm | crystal mica and glass |
| 400-700 | 20.0 | 2.5 | λ/4 | 2λ | 40 - 20 | ±0.2mm | crystal mica and glass |
| 400-700 | 25.0 | 2.5 | λ/4 | 2λ | 40 - 20 | ±0.2mm | crystal mica and glass |
| 400-700 | 30.0 | 2.5 | λ/4 | 2λ | 40 - 20 | ±0.2mm | crystal mica and glass |
| 400-700 | 40.0 | 3.5 | λ/4 | 2λ | 40 - 20 | ±0.2mm | crystal mica and glass |
| 400-700 | 50.0 | 3.5 | λ/4 | 2λ | 40 - 20 | ±0.2mm | crystal mica and glass |
| 400-700 | 10.0 | 2.5 | λ/2 | 2λ | 40 - 20 | ±0.2mm | crystal mica and glass |
| 400-700 | 20.0 | 2.5 | λ/2 | 2λ | 40 - 20 | ±0.2mm | crystal mica and glass |
| 400-700 | 25.0 | 2.5 | λ/2 | 2λ | 40 - 20 | ±0.2mm | crystal mica and glass |
| 400-700 | 30.0 | 2.5 | λ/2 | 2λ | 40 - 20 | ±0.2mm | crystal mica and glass |