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本刊讯 日前，烽火通信采用自主知识产权的等离子体化学汽相法（PCVD）与外部汽相沉积法（OVD）相结合的混和工艺成功生产出OVD外包预制棒，单棒可拉制300多公里符合ITU-T G.652标准的单模光纤，标志着我国光纤生产的核心技术即光纤预制棒制造技术又迈上了一个新台阶。据悉，
In a few days ago, FiberHome successfully produced OVD outsourced preform rods using a combination of plasma CVD (PCVD) and external vapor deposition (OVD) with independent intellectual property rights. The single rod can be drawn over 300 Km in line with the ITU-T G.652 standard single-mode fiber, marking the core technology of optical fiber production in our country that optical fiber preform manufacturing technology has taken to a new level. It is reported that,