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True Zero-Order Waveplates

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