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Dual wavelengths waveplate is a multiple waveplate that provide a specific retardance at two different wavelengths, it's particularly useful when used in conjunction with other polarization sensitive components to separate coaxial laser beams of different wavelength.
Specifications:
| Material: | Quartz |
| Diameter Tolerance: | +0.0, -0.1mm |
| Wavefront Distortion : | l/8 @ 632.8nm |
| Retardation Tolerance: | l/300 |
| Parallelism: | <1 arc second |
| Surface Quality: | 20/10 |
| Clear Aperture: | >90% |
| Coating: | S1&S2: R<0.2% @ wavelength |
| P/N# | Diameter(mm) | Phase Retardation |
| WPD1212 | 12.7 | l @1064nm + l/2 @532nm |
| WPD1221 | 12.7 | l/2 @1064nm + l @532nm |
| WPD1512 | 15.0 | l @1064nm + l/2 @532nm |
| WPD1521 | 15.0 | l/2 @1064nm +l @532nm |
| WPD2012 | 20.0 | l @1064nm + l/2 @532nm |
| WPD2021 | 20.0 | l/2 @1064nm + l @532nm |
| WPD2512 | 25.4 | l @1064nm + l/2 @532nm |
| WPD2521 | 25.4 | l/2 @1064nm + l @532nm |
