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Waveplates and Retarders

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    Wavelength Range (nm)
    Design Wavelength DWL (nm)
    Diameter (mm)
    Dimensions (mm)
    Crystalline Waveplates Crystalline Waveplates
    • Multiple or Zero Order λ\2 and λ\4 Retardance
    Polymer Waveplates Polymer Waveplates
    • Durable Substrates for Zero Order λ\2 or λ\4 Retardance
    Achromatic Waveplates Achromatic Waveplates
    • Efficient Transmission Across a Broad Range of Wavelengths in a Compact Format
    Fresnel Rhomb Retarders Fresnel Rhomb Retarders
    • Efficient Retardation Across a Broad Wavelength Range with Low Variation
    Radial Polarization Converters Radial Polarization Converters
    • Convert Linear Polarization to Radial or Azimuthal
    Free-Space Optical Isolators Free-Space Optical Isolators
    • Transmit Light in One Direction and Eliminate Back Reflections

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    Waveplates, also known as Retarders, are used to transmit light while modifying its polarization state without attenuating, deviating, or displacing the beam. Common Waveplate applications include rotating linear polarization, or transforming linear polarization into circular polarization. Retarders are designed to operate with light that have existing polarization states. Using a Waveplate with unpolarized light will not have any impact on its polarization state and the light will remain unpolarized. Waveplates consist of birefringent, crystalline or polymer materials that create a phase shift between the polarization components.

    Edmund Optics offers a variety of Waveplates with crystalline or polymer materials, including multiple order, zero order, or achromatic waveplates. Polymer Waveplates offer superior performance over a wider range of incidence angles. Multiple order Waveplates are ideal for use with monochromatic light that deviates less than 1% of the Waveplate’s design wavelength. Zero order Retarders offer high performance over wider wavelength or temperature ranges. Achromatic Waveplates offer the most constant performance over the widest wavelength or temperature ranges.

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