本文分析了单模光纤熔接损耗的主要原因,导出了连接损耗计算式,提出了保证给定损耗对自动对准条统的精度要求,介绍了CSM—1型单模光纤熔接机自动对准与熔接系统及自动对准系统精度,熔接损耗等验收测试结果。 In this paper, the main reason of single-mode fiber fusion loss is analyzed, the calculation formula of connection loss is deduced, the accuracy requirement of guaranteeing given loss to automatic alignment strip is presented, the automatic alignment of CSM-1 single-mode fiber fusion machine and Welding system and automatic alignment system accuracy, weld loss acceptance test results.