Multiple order waveplates(Low Order Waveplate) are made from a single crystalline plate, are designed to give a retardation of several full waves, plus the desired fraction.Multiple order waveplates are more susceptible to change in wavelength and they should not be used more than several nanometers outside of design wavelength.
Specifications:
| Type: | Half Waveplates Quarter Waveplates |
| Material: | Crystal Quartz |
| Dimension Tolerance: | +0.0, -0.1mm |
| Surface quality: | 20/10 |
| Clear Aperture: | >90% |
| Wavefront Distortion: | λ/8@632.8nm |
| Parallelism: | <1 arc sec |
| Retardation tolerance: |
λ/300 |
| Coating: | AR/AR coating ,R<0.2% at central wavelength |
| Standard wavelengt: |
266nm, 355nm,532nm, 632.8nm, 780nm,808nm, |
Typical Sizes:
| Size(mm) | Size(mm) |
| Φ5.0 | φ20.0 |
| φ10.0 | φ25.4 |
| Φ12.7 | φ30.0 |
| Φ15.0 | φ38.1 |