Introduction:
Achromatic wave plates, suitable for wide-band use, by two different birefringent crystals as the material dispersion of the two materials is not the same, so in a very wide wavelength range to achieve a more uniform phase delay.Achromatic waveplates also less sensitive to temperature.Achromatic waveplates also less sensitive to temperature.

Main applications：Laser systems,Spectrophotometry,Optical communication devices,DVD, CD, Polarization digital cameras 

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