Liquid Crystal Polarization Rotator

Name: Liquid Crystal Polarization Rotator
Brand: ARCoptix S.A.
Availability: InStock

Description

The Liquid Crystal Polarization Rotator is a highly useful optical component that effectively and achromatically rotates the polarization of light. It uses Liquid Crystal twisted nematic technology to rotate the orientation of linear polarization by a fixed amount of typically 45° or 90°.

The device has a wide acceptance angle and functions over a very large spectral range from VIS to NIR, making it less expensive than quartz retardation plates, which are typically used for polarization rotation. Additionally, by applying a voltage on the TN cell, the Polarization rotation can be "switched off".

Specifications

Waveplate Type:	Achromatic
Material:	Liquid Crystal
Mounting:	Mounted
Shape:	Round
Size:	22 mm
Center Wavelength:	1025 nm
Retardation:	Lambda/2, Lambda/4
Retardation Accuracy:	+/- Lambda/100
Wavefront Distortion:	<= Lambda/4
Surface Quality (Scratch-Dig):	Not Specified
Twist:	45°
Output Ellipticity:	Between 0.1 and 10% (depending of the model and the wavelength)
Wavelength Range:	350-1700 nm
Active Area:	10 mm or 20mm (diam.)
Transmission (VIS):	> 85%
Retarder Material:	Nematic Liquid-Crystal
Substrates:	Glass
Wavefront Distortion:	< lamda/4
Temperature Range:	15°-35°

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Features

Liquid Crystal twisted nematic technology for polarization rotation
Wide acceptance angle
Functions over a very large spectral range from VIS to NIR
Low-cost alternative to quartz retardation plates
Voltage-controlled polarization rotation
Can be used as an optical shutter in combination with two crossed polarizers
Compatible with pulsed lasers like fs lasers

Applications

Polarization management
Polarization vision
Interferometry
Metrology
Use in an imaging plane
Collimated laser beam

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Ships from:

Switzerland

Sold by:

ARCoptix S.A.

On FindLight:

since 2023

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Frequently Asked Questions

What is the Liquid Crystal Polarization Rotator used for?

The Liquid Crystal Polarization Rotator is used to effectively and achromatically rotate the polarization of light.

How does the Liquid Crystal Polarization Rotator work?

The Liquid Crystal Polarization Rotator consists of a liquid crystal layer placed between two treated glass substrates. The polarization of light follows the rotation of the liquid crystal molecules.

What is the advantage of using the Liquid Crystal Polarization Rotator over quartz retardation plates?

The Liquid Crystal Polarization Rotator is a low-cost alternative to quartz retardation plates and has a wide acceptance angle. It also functions over a very large spectral range from VIS to NIR.

Can the polarization rotation be controlled in the Liquid Crystal Polarization Rotator?

Yes, the polarization rotation can be controlled by applying a voltage on the Liquid Crystal Polarization Rotator.

What are some applications of the Liquid Crystal Polarization Rotator?

The Liquid Crystal Polarization Rotator can be used in polarization management, polarization vision, interferometry, metrology, imaging planes, and with collimated laser beams.