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Processing method for suppressing photodarkening in Yb-doped optical fibers, photodarkening-suppressed Yb-doped optical fiber, and fiber laser
Processing method for suppressing photodarkening in Yb-doped optical fibers, photodarkening-suppressed Yb-doped optical fiber, and fiber laser
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机译:抑制掺b光纤中的光暗化的处理方法,抑制掺photo光的掺b光纤和光纤激光器
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摘要
A processing method for suppressing photodarkening in an Yb-doped optical fiber, comprising: a first step of preparing the Yb-doped optical fiber by doping a core with Yb, and irradiating at least one of a gamma ray, a X-ray, or an electron beam onto the Yb-doped optical fiber with an energy greater than a light to be transmitted through the optical fiber when a laser is being oscillated; a second step of measuring a loss spectrum of an infrared region of the optical fiber after the first step, and selecting an optical fiber with the loss in a specific wavelength falling within a predetermined range; and a third step of treating the optical fiber selected in the second step in an atmosphere containing hydrogen to obtain an Yb-doped optical fiber with suppressed photodarkening.
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