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WOP, USouthampton Develop Z Polarizers
Aug 2011
VILNIUS, Lithuania, Aug. 17, 2011 — Workshop of Photonics (WOP) has collaborated with researchers at the Optoelectronics Research Centre (ORC) at the University of Southampton to develop a direct laser writing technique for the production of radial polarization converters.

Z polarizer. (Images: World of Photonics)

Known as Z polarizers, the devices are applied at laser machining to high-power laser radiation because of their monolithic fused silica window design, and antireflection coatings can be applied. In addition, a single element is used both for polarization conversion and generation of higher topological charge optical vortices.

The WOP and ORC laboratories expect to prove the advantages of Z polarizers in laser micromachining, such as decreased spot size and uniformity of light-material interaction regardless of machining direction.

View through polarizing microscope with various polarization orientations.

WOP is looking for integrators and end users in the laser machining, microscopy and optical tweezers fields. Testing units are available, with small scale production of the devices scheduled for mid-autumn.

The University of Southampton has applied for a patent application and has appointed Altechna R&D Ltd. as its exclusive commercialization partner.

For more information, visit:  

With respect to light radiation, the restriction of the vibrations of the magnetic or electric field vector to a single plane. In a beam of electromagnetic radiation, the polarization direction is the direction of the electric field vector (with no distinction between positive and negative as the field oscillates back and forth). The polarization vector is always in the plane at right angles to the beam direction. Near some given stationary point in space the polarization direction in the beam...
raman spectroscopy
That branch of spectroscopy concerned with Raman spectra and used to provide a means of studying pure rotational, pure vibrational and rotation-vibration energy changes in the ground level of molecules. Raman spectroscopy is dependent on the collision of incident light quanta with the molecule, inducing the molecule to undergo the change.
Altechna R&Dantireflection coatingsBusinesscoatingsEuropefused silica windowimaginglaser machininglaser micromachininglaser writingLithuaniaMicroscopyoptical tweezersopticsOptoelectronics Research CentreORCpolarizationradial polarization convertersRaman spectroscopyTest & MeasurementUniversity of SouthamptonUSouthamptonWOPWorkshop of PhotonicsZ polarizerslasers

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