FIELD: optics.
SUBSTANCE: magnetic device has variable magnetic field source which field is perpendicular to surface of magneto-optic material, and magnetic field source which field is oriented along gradient of magnetization of material. Magnetic field source which field is perpendicular to surface of magneto-optic material is made in form of transparent current-leading structures. One of conductors of the structure crosses center of light beam and the other one - along aperture of light beam in perpendicular to gradient of magnetization. Device permits to take control over location of optic vortexes within diffracted radiation and changes amount of information transmitted by light beam.
EFFECT: improved functional capabilities.
1 dwg
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