The zero order waveplate is designed to give a retardance of zero full waves, plus the desired fraction. Zero order waveplate shows better performances than multiple order waveplates, it has broad bandwidth and a lower sensitivity to temperature and wavelength changes.
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Attribute
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Specification
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Material
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Crystal Quartz
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Typical Diameter (Φmm)
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10.0, 12.7, 15.0, 20.0, 25.4, 30.0
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Diameter Tolerance (mm)
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+0.0/-0.2
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Wavefront distortion
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λ/8@633nm
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Retardation tolerance
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<λ/300 (General), <λ/500 (High Precision)
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Parallelism
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<1 arc minute.(General） , <5 arc second .(High Precision)
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Surface Quality
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20/10
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Clear Aperture
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Central 90%
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Coating
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<0.2% @wavelength
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