| 简介 |
Fiber-amplifier device the light-path of which is devoid of a free-space element. The system device an all-fiber-optic Faraday rotator and isolator. The device has a multicomponent glass optical fiber having a core having a first doping concentration of 55%-85% (wt./wt.) of a first rare-earth oxide and a the isolator includes at least three magnetic cells with throughout bores hosting an optical fiber, the same magnetic poles of two immediately neighboring cells facing each other. The first rare-earth oxide includes one or more of Pr2O3, Nd2O3, Pm2O3, Sm2O3, Eu2O3, Gd2O3, Tb2O3, Dy2O3, Ho2O3, Er2O3, Tm2O3, Yb2O3, La2O3, Ga2O3, Ce2O3, and Lu2O3. |
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