WPA2420-650-1100-M25.4
Achromatic waveplates consist of birefringent crystals of two different materials. Their different dispersions provide relatively uniform retardance over a broad wavelength range. Achromatic waveplates are also relatively insensitive to temperature.
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Overview
Specifications
| Parameter | Value |
|---|---|
| Type | Air-Spaced |
| Diameter | 20 mm |
| Design Wavelength | 650-1100 nm |
| Phase | λ/2 |
| Mount Dimensions | φ25.4 mm × 8 mm |
| Material | Quartz Crystal + Magnesium Fluoride |
| Diameter Tolerance | +0.0/-0.2mm |
| Surface Quality | 40/20 |
| Clear Aperture Dimension | >90% |
| Wavefront Distortion [@632.8nm (applies only to air gaps)] | <λ/4@632.8nm (For Air-Spaced Configuration Only) |
| Retardance Accuracy | <λ/100 |
| Coating | Antireflection Coating on Both Sides |
| Coating-Residual Reflectance per Surface [Single Surface] | <1% |
| Damage Threshold [20ns, 20Hz @1064nm] | >5J/cm², 20ns, 20Hz @1064nm |
Key Features
Datasheet
Supplier Information
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