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对于光纤制造商而言,拉伸强度试验是最简单的传统光纤力学性能评估试验。为光纤引入最新一代辐射固化涂层时,在测量光纤拉伸强度过程中遇到一些与试验相关的问题。人们怀疑这些问题与新一代涂层体系关键性能的变化有关。我们努力去了解究竟这些问题是与光纤内在特性相关(直接影响现场应用),还是仅仅取决于试验设置。通过仔细设计的实验,我们获得了一组由同一预制棒拉成的商用光纤,以及不同方法制成的不同涂层体系。研究了拉伸试验的设置(例如绞盘直径和夹紧技术)来理解新一代涂层性能及拉伸试验设置对光纤拉伸强度的影响。
For optical fiber manufacturers, the tensile strength test is the simplest traditional optical fiber mechanical properties evaluation test. When introducing the latest generation of radiation curable coatings for optical fibers, there are some test-related problems encountered in measuring the tensile strength of optical fibers. It is suspected that these issues are related to changes in the key performance of a new generation of coating systems. We work hard to understand whether these issues are related to the intrinsic properties of the fiber (directly affecting the field application) or just the experimental setup. Through carefully designed experiments we obtained a set of commercial fibers drawn from the same preform and different coating systems made by different methods. Tensile test settings (such as capstan diameter and clamping techniques) were investigated to understand the effects of a new generation of coating properties and tensile test setup on the tensile strength of optical fibers.