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1983年12月22日,西门子公司将第一套单模光纤光缆装置交付达姆施塔特的联邦邮局电话技术中心局。采用该装置有可能对单模光纤现场试验的传输特性及行为进行研究。在光波导技术开发后六年,以崭新的设计制成了目前供给通信工程的这一装置。尽管单模光纤导光的纤芯只有9μm,大约是
On December 22, 1983, Siemens delivered the first single-mode fiber optic cable plant to the Federal Post Office Technology Center in Darmstadt. Using this device it is possible to investigate the transmission characteristics and behavior of single-mode fiber field tests. Six years after the development of optical waveguide technology, this new device is now being made available for telecommunications engineering. Although the single-mode fiber waveguide core is only 9μm, it is about