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We propose a method for producing a conical beam based on the lateralrefraction of the TM01 mode from a two-mode fiber after chemical etching of thecladding, and for controlling its radial polarization. The whole power of theguided mode is transferred to the refracted beam with low diffraction.Polarization control by a series of azimuthal detectors and a stress controlleraffords the transmission of a stabilized radial polarization through an opticalfiber. A solid component usable for many applications has been obtained.

Radially Polarized Conical Beam from an Embedded Etched Fiber