In order to enable the waveplate suitable for high damage threshold (more than 1GW/cm2) application, we provide a single plate of true zero order waveplate. The thickness of this waveplate means handling may be difficult, we can provide mounts upon request
| ATTRIBUTE | SPECIFICATIONS |
| material | Crystal Quartz |
| DIAMETER TOLERANCE | +0.0, -0.1mm |
| wavefront distortion | λ/8@632.8nm |
| retardation tolerance | λ/500 |
| parallelism | < 1 arc second |
| SURFACE QUALITY | 20/10 scratch and dig |
| COATING | With AR coating on outside surfaces |