Wave Plates and Variable Retarders

For polarization applications, Thorlabs offers quarter- and half-wave plates in either achromatic, superachromatic, zero-order, low-order, or multi-order versions. For help in selecting the most appropriate wave plate, please see the "Selection Guide" tab on any of the wave plate pages linked below. In addition, Thorlabs offers Fresnel Rhombs, Liquid Crystal Retarders (LCR) in two sizes, Empty Liquid Crystal Cells, Rotating Retarders, and Soleil-Babinet Compensators.