| Material | Crystal Quartz |
| Dimension Tolerance | +0/-0.2mm |
| Surface Quality | 20/10 scratch and dig |
| Parallelism | <1 arc Sec |
| Retardation Tolerance | < λ/300 |
| Wavefront distortion | <λ/8@632.8nm |
| Accept Angle | 10 degrees |
| Clear Aperture | >90% |
| AR Coating | R<0.25%@central wavelength |
| Damage Threshold | >10J/cm2, 20ns, 20Hz @1064nm |
| Mount | Black Anodized Aluminium |
| Part Number | Diameter (mm) | Retardation (λ) | Wavelength (nm) | Order | Thickness (mm) | Mount (mm) | Clear Aperture (mm) |
| WPS220-355 | 20 | λ/2 | 355 | 1 | 0.054 | φ25.4x6 | 18 |
| WPS220-532 | 20 | λ/2 | 532 | 0 | 0.029 | φ25.4x6 | 18 |
| WPS220-1030 | 20 | λ/2 | 1030 | 0 | 0.059 | φ25.4x6 | 18 |
| WPS225-1064 | 20 | λ/2 | 1064 | 0 | 0.061 | φ25.4x6 | 18 |
| WPS420-355 | 20 | λ/4 | 355 | 1 | 0.027 | φ25.4x6 | 18 |
| WPS420-532 | 20 | λ/4 | 532 | 1 | 0.043 | φ25.4x6 | 18 |
| WPS420-1030 | 20 | λ/4 | 1030 | 0 | 0.029 | φ25.4x6 | 18 |
| WPS420-1064 | 20 | λ/4 | 1064 | 0 | 0.03 | φ25.4x6 | 18 |