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利用最近研制的高功率1.32微米Nd—YAG激光器在数据速率为32Mb/s,采用归零脉冲体制,平均光纤输入功率达+22.0dB,实验获得了高达65.6dB的容许传输线损耗。这保证可用近期内可得到的低损耗光导纤维来实现中继距离为100公里的传输。
Using the recently developed high power 1.32μm Nd-YAG laser with data rate of 32Mb / s, the zero-impulse system with an average fiber input power of + 22.0dB achieves up to 65.6dB allowable transmission line loss. This guarantees that transmissions of up to 100 km can be relayed with the low loss optical fiber available in the near future.