Achromatic Half Wave Plate
Achromatic Quarter waveplates consist of two different materials that are carefully chosen to eliminate chromatic dispersion.
Achromatic waveplates consist of two different materials that are carefully chosen to eliminate chromatic dispersion. The use of crystalline quartz with magnesium fluoride or UV sapphire minimizes the wavelength dependence of the retardation such that a nearly flat spectral response is achieved over the entire operating range of the achromatic wave plate. Compared to zero-order waveplates, achromatic waveplates offer better retardation accuracy over broadband wavelength ranges.
- AR Coating Range 400-800nm
- Reflectance (coating) R avg< 0.5% per surface
- RETARDANCE ACCURACY : λ/40
- Damage Threshold 5 J/cm2
- Material Crystalline Quartz and Magnesium fluoride
- SURFACE QUALITY – 40-20.
CUSTOM DESIGN ALSO AVAILABLE .
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Zero-Order Half-Wave Plates are built by combining two Multi-Order Crystalline Quartz Wave Plates to obtain an optical path length difference of λ/2.
A Nicol prism is a type of polarizer, an optical device made from calcite crystal used to produce and analyzer plane polarized light. It is made in such a way that it eliminates one of the rays by total internal reflection, i.e. the ordinary ray is eliminated and only the extraordinary ray is transmitted through the prism.
Multiple Order Waveplates Are Designed With Only A Single Birefringent Material, They Can Be Relatively Thick, Which Eases Handling And System Integration
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