Waveplate Quality in Catalog and Custom

Meadowlark Optics makes the best waveplates, having over 45 years of retarder manufacturing expertise and the ability to manufacture from a wide variety of materials to facilitate high- or low-power applications. Some materials allow retarders to be used over different wavelengths from the ultraviolet through the visible and into the near infrared. Meadowlark Optics uses proprietary methods to ensure the best spatial uniformity of its polymer and crystalline retarders. We provide a larger variety of waveplate types than any other company.

Here are some of Meadowlark’s standout offerings:

Linear, circular, and elliptical retarders
Linear retarder catalog products
True zero order retarders using birefringent polymers
Compound zero order retarders using birefringent crystals
Wide angular field of view retarders using polymers
Achromatic retarders using polymers
Superachromatic retarders using polymers
Custom design and manufacturing capabilities for athermal crystalline retarders, wide angular field of view retarders, achromatic linear retarders using two or three different crystals combined, achromatic circular retarders, and elliptical retarders
The largest known crystal waveplates out of quartz to 135-mm diameter and magnesium fluoride to 120-mm diameter
Clocking accuracy on compound zero order retarders to better than 0.05° with the metrology to confirm accuracy achieved
Linear retardance metrology accuracy of approximately ±0.0005 waves from 400- to 1000-nm wavelength and approximately ±0.002 waves between 240 to 400 nm and between 1-micron to 5-microns wavelength
Optically-contacted crystal quartz and crystal magnesium fluoride crystal waveplates in diameters up to 120 mm
Individual waveplate retardance measurements with each standard waveplate shipped at the customers wavelength of interest

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