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POLARIZATION GENERATOR

Photonics Spectra
Oct 2005
General Photonics Corp.Request Info
 
POLARIZATION GENERATOR General Photonics Corp. presents the PolaPal PSG-101, a high-speed polarization-state generator that produces six states of polarization (−45, 0, 45, 90, and right- and left-hand circular) across the Poincaré sphere in less than 250 µs and with repeatability of less than 0.1°. The instrument is controlled via a 6-bit TTL signal from either a microcontroller or a computer. Applications include polarization optical time-domain reflectometers, performance monitoring, polarization analysis and swept frequency component measuring systems.


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GLOSSARY
polarization
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...
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