| 简介 |
PROBLEM TO BE SOLVED : To provide a small-sized and high-precision fiber-ring laser. SOLUTION : In a small-sized fiber-ring laser that uses a rare-earth-doped fiber as the gain medium for the fiber-ring laser having at least one closed ring-shaped oscillator (ring laser oscillator), one or more fluoride fibers, each having a core in which at least both Er and Ce are doped (ECDF) as the rare earth-added fiber are used; the total length of the ECDF is ≤2 m, the length of the ring laser oscillator is ≤10 m, and a semiconductor laser having a wavelength of ≥900 nm and ≤985 nm is used as the exciting source. COPYRIGHT : (C)2010, JPO&INPIT |
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