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Polarizer Converts Arbitrary Beam to Radial or Azimuthal Polarization

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Simple device can be integrated into microscope’s illumination system.

Breck Hitz

Radially or azimuthally polarized light can be useful in high-resolution photolithography, in coupling into hollow-core fibers and in other applications. Scientists in several laboratories have designed intracavity devices to generate radially or azimuthally polarized monochromatic laser beams. Recently, scientists at Technion — Israel Institute of Technology demonstrated an extracavity polarizer that can convert 50 percent of the incident light at any wavelength to either radial or azimuthal polarization. Figure 1. A cylindrical sheet polarizer, wrapped around the convex reflector,...Read full article

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    Published: February 2007
    Glossary
    photonics
    The technology of generating and harnessing light and other forms of radiant energy whose quantum unit is the photon. The science includes light emission, transmission, deflection, amplification and detection by optical components and instruments, lasers and other light sources, fiber optics, electro-optical instrumentation, related hardware and electronics, and sophisticated systems. The range of applications of photonics extends from energy generation to detection to communications and...
    fiber opticshigh-resolution photolithographyhollow-core fibersindustrialphotonicspolarized lightResearch & Technology

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