FIELD: physics.
SUBSTANCE: invention relates to technical physics and can be used for precise positioning focused radiation on surface of optical fibre. In present invention, for precise movement of focused beam of electromagnetic radiation in device is used shift, parallel to itself, laser beam by means of rotation of at least one plane-parallel plate, which is transparent for electromagnetic radiation.
EFFECT: technical result is increased accuracy, reliability and repeatability of positioning of electromagnetic radiation, improved drift compensation of offset position of object, simple design.
3 cl, 2 dwg
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