Optola offers wide range of high quality True Zero-Order Waveplates.
Custom design True Zero-Order Waveplates are available upon request.
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Material | Crystal Quartz |
Diameter Tolerance | +0/-0.2mm |
Retardance Accuracy | <λ/300 |
Clear Aperture | ≥ central 90% of diameter |
Surface Quality | 20/10 |
Wavefront Distortion | λ/8 @ 632.8nm over the clear aperture |
Parallelism | ≤10″ |
Coating | R<0.25% per surface at design wavelength |
Damage Threshold | 500W/cm2,4J/cm2,20ns |