Variable Circular Polarizer is a combination of a polarization Beamsplitter cube (PBS) and a zero order quarter waveplate made of crystal quartz. By rotating the waveplate, can generate Circularly, Elliptically, or Linearly Polarized Light.


Basic Parameters

Product IDPA04013
Diameter Tolerance+0/-0.2mm
Surface Quality60/40
Wavefront Distortion<λ/4@632.8nm for cube, <λ/8@632.8nm for waveplate
Beam Deviation<10 arc minutes
Retardation Toleranceλ/300 (Typical)
Extinction RatioTp/Ts>1000:1
AR CoatingR<0.25% per surface
Damage Threshold>500mJ/cm2, 20ns, 20Hz, @1064nm


  • High Extinction Ratio Tp/Ts>1000:1
  • Zero Order Quarter Waveplate
  • Two M4 hole available for mounting
  • RoHS Compliant

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