Frequently Asked Questions

AchromaticWavePlates are made from birefringent crystals.

The diameter tolerance is +0.0/-0.2mm.

The wavefront distortion is λ/4 at 632.8nm for air spaced type.

The phase retardation accuracy is λ/100.

The parallelism is less than 10 arcseconds for cemented type.

The standard types available are quarter-wave (λ/4) and half-wave (λ/2).

Yes, other sizes and wavelengths are available upon request.

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