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Crystalline Quartz Polarization Rotators

Crystalline Quartz Polarization Rotators

Crystalline Quartz Polarization Rotators

  • Rotates Polarization by a Fixed Angle Regardless of Incident Polarization Angle
  • Convenient Replacement of Half-Waveplate for Narrow Waveband Lasers
  • 1064nm, 532nm, and 355nm Anti-Reflection Coatings Available in Both 45° and 90° Rotation Angles

Crystalline Quartz Polarization Rotators rotate the polarization plane of an incident beam by a fixed angle, regardless of the rotator’s alignment relative to the beam’s polarization. Polarization rotators are a good alternative to waveplates with regards to rotating polarization by a specific angle. They produce a rotation in polarization caused by the optical activity naturally present in quartz crystals being independent of the rotator’s orientation around the optical axis. The Crystalline Quartz Polarization Rotators only need to be aligned perpendicular to the direction of propagation of light. Rotators with fixed 45° or 90° rotation at Nd:YAG wavelengths, mounted in a black anodized aluminum mount, are available.

Common Specifications

Clear Aperture CA (mm):
>18
Diameter Tolerance (mm):
+0/-0.2
Surface Quality:
20-10
Coating Specification:
Ravg <0.2% per surface
Damage Threshold, Pulsed:
>10 J/cm2 @ 10ns
Wavefront Distortion (RMS):
λ/10 @ 633nm

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