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True Zero-Order Waveplates
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Specifications:
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 |
Order Information:
True Zero-Order Waveplates:
Half Waveplate | Quarter Waveplate |
WPT-100-1/2-λ | WPT-100-1/4-λ |
WPT-127-1/2-λ | WPT-127-1/4-λ |
WPT-200-1/2-λ | WPT-200-1/4-λ |
WPT-254-1/2-λ | WPT-254-1/4-λ |
Note:
• Custom designs for other sizes, coatings and holder are also available upon request.
• CASTECH’s standard coatings are available.
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