| Coad | 669559 | Substrate | Liquid Crystal Polymer / N-BK7 | |
| Type | Achromatic Half-Wave Plate | Diameter(mm) | 25.40 | |
| Thickness | 3.0mm | Wavelength(nm) | 400 - 700 | |
| Mechanical Housing | SMI-8A-SP (With D-Type Step) | Shell Diameter | 30.5 -0.02/-0.05mm | |
| Outer Shell Thickness | 12.0mm | Clear Aperture(mm) | 21.50 | |
| Parallelism | <1 arcmin / <10 arcmin(Mounting Mechanical Housing) | Optical Retardance | λ/2 | |
| Delay Accuracy | ±λ/25@400-420nm&650-700nm±λ/50@420-650nm | Delay Uniformity | ±5nm | |
| AOI | ±15° | Surface Quality | 60-40 | |
| Operating Temperature | -20 - 80℃ | Fast Axis Accuracy | ±5° | |
| Transmission Wavefront Deviation | <λ/2@633nm | Laser Damage Threshold | - | |
| Coating Type | AR Coating | Coating Specifications | Rvg<0.5%@400-700nm,T>70%@400-430nm>85%@430-520nm>96%@520-700nm,AOI=0° |














Product evaluation
%High praise
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