Compared with core glass, the effect of optical processing quality of cladding glass on interface defects was more evident when its viscosity at drawing temperature was higher tha.
研究表明良好的预制棒加工质量可有效改善光纤纤芯与包层的界面状态，并且相对于纤芯玻璃来说，粘度较高的包层玻璃其加工质量对界面缺陷的影响更为显著。
The spherulitic diameter varies markedly in the interface. During mold filling process, the flow layer should be divided to two layers:high viscosity molten layer and low viscosity molten layer.
由此认为注射充模时，熔体流动层应分为二层：高粘度流动层和低粘度流动层。
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