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利用五个正弦调制的激光二极管,测量了长50公里的单模光纤的色散。结果表明,该方法能在1.2-1.6μm光谱范围测定光损耗为33分贝的单模光纤之色散特性。
Using five sine-modulated laser diodes, the dispersion of a single-mode fiber measuring 50 km long was measured. The results show that the proposed method can measure the dispersion of single-mode fiber with optical loss of 33 dB in the spectral range of 1.2-1.6 μm.