MULTIPLE-COMPONENT FIBRE FOR LASER RADIATION SOURCE, CONSISTING OF PASSIVE AND ALLOYED WITH RARE-EA

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FIELD : laser engineering. SUBSTANCE : invention relates to laser fibre equipment, in particular to production of new types of active laser media. Device represents multiple-component fibre for laser radiation source, including active fibre, having light conductor, alloyed by, at least, one type of rare-earth element, and light-reflecting cladding layer. Besides, at least, one pumping optical fiber guide, which is in optical contact with active fibre, wherein glass active fibre and glass pumping light guide are covered with, at least, one polymer shell layer. Around optical fibre polymer shell metal wire or band is wound. EFFECT : technical result i fibre laser generating efficiency stabilization. 6 cl, 3 dwg