Polarization Rotator (Multiple order)

ARD-Optics manufactures quartz polarization rotators.

Due to the rotation activity of natural quartz crystal, it also can be used as polarization rotators so that the plane of input linearly polarized beam will be rotated at special angle which is determined by the thickness of quartz crystal. In other words, one can get standard differential rotators of 45 or 90 degrees rotation for wavelength range 1064/532 nm. Rotations for other wavelengths are available on special order. Standard available clear aperture diameters are 10 and 22 mm for round rotators and 90% for rectangular rotators.

Round polarization rotators

Material

Crystaline Quartz

Rotation angle

45° / 90°

Diameter

12.7mm/25.4mm

Diameter tolerance

+/- 0.1mm

Thickness tolerance

+/- 0.1mm

Parallelism

Up to 1 sec.

Rotation tolerance

Up to 5 arc min.

Surface flatness

λ/8 and λ/4

Surface quality S/D MIL-13830

10/5, 20/10, 40/20

Coating

Coated/uncoated

Clear aperture

10/22mm
Reflectivity per surface Uncoated about 4%, AR coated less than 0.25%

Rectangular polarization rotators

Material

Crystaline Quartz

Rotation angle

45° / 90°

Dimension tolerance

+/- 0.1mm

Parallelism

Up to 1 sec.

Rotation tolerance

Up to 5 arc min.

Surface flatness

λ/8 and λ/4

Surface quality S/D MIL-13830

10/5, 20/10, 40/20

Coating

Coated/uncoated

Clear aperture

90%
Reflectivity per surface Uncoated about 4%, AR coated less than 0.25%

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