Polarization rotator

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Grouped product items
SKU	Wavelength, nm	Specifications	Stock Qty	Price
9350805	800	Polarization rotator @800nm CA>6.5mm Material: 7.5x11.5 AR coatings: Clear Aperture: >6.5 Comments: - Comments: λ/8 LIDT: 2.5 GW/cm² Material: 7.5x11.5 Mount: Retardation tolerance: <5 arcmin Surface quality, S-D: - Thickness, mm: 0.40 Transmitted wavefront distortion, PV: Wavelength, nm: 800 Wedge / Parallelism error: <1 arcmin	2	€94.00
9539563	532	Polarization rotator @532nm CA>18mm Material: Crystalline Quartz AR coatings: AR (R<0.2%) on each surface Clear Aperture: >18 Clockwise polarization rotation, deg: 90 LIDT: >10 J/cm² @ 1064 nm; 10 ns; 10 Hz Material: Crystalline Quartz Mount: Ø25.4 x 8 mm black anodized aluminum mount Retardation tolerance: <5 arcmin Surface quality, S-D: 20-10 Transmitted wavefront distortion, PV: <λ/8 @ 632.8 nm Wavelength, nm: 532 Wedge / Parallelism error: <10 arcsec	1	€250.00
9539583	1064	Polarization rotator @1064nm CA>18mm Material: Crystalline Quartz AR coatings: AR (R<0.2%) on each surface Clear Aperture: >18 Clockwise polarization rotation, deg: 45 LIDT: >10 J/cm² @ 1064 nm; 10 ns; 10 Hz Material: Crystalline Quartz Mount: Ø25.4 x 12 mm black anodized aluminum mount Retardation tolerance: <5 arcmin Surface quality, S-D: 20-10 Transmitted wavefront distortion, PV: <λ/8 @ 632.8 nm Wavelength, nm: 1064 Wedge / Parallelism error: <10 arcsec	1	€195.00
9539603	355	Polarization rotator @355nm CA>18mm Material: Crystalline Quartz AR coatings: AR (R<0.2%) on each surface Clear Aperture: >18 Clockwise polarization rotation, deg: 90 LIDT: >10 J/cm² @ 1064 nm; 10 ns; 10 Hz Material: Crystalline Quartz Mount: Ø25.4 x 6 mm black anodized aluminum mount Retardation tolerance: <5 arcmin Surface quality, S-D: 20-10 Transmitted wavefront distortion, PV: <λ/8 @ 632.8 nm Wavelength, nm: 355 Wedge / Parallelism error: <10 arcsec	4	€375.00

Details

Polarization rotator is a good alternative to retardation waveplate when it comes to rotation of polarization at certain angle. Polarization rotation is caused by property, called Optical activity, which is natural to quartz crystal and other substances that are enantiomorphous. This property is caused by crystal lattice structure, that lacks mirror symmetry due to helicoidal chains of SiO4 units oriented along c-axis in quartz structure. Depending on chain rotation direction, there is "right" and "left" quartz which rotates polarization clockwise or counter-clockwise respectively. Polarization rotators are c-cut so rotation of polarization occurs independently of component's rotation around optical axis, thus component is alignment-insensitive and the only requirement is that incident beam must be perpendicular to rotator's aperture. For convenient use all rotators are mounted in black anodized aluminum mount. Device is good replacement for waveplate, for usage along with narrow band lasers.

Convenient replacement of half-wave plate for narrow waveband laser
No need for special adjustment
Coated with antireflection coatings
Rotates polarization at a fixed angle

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