本文描述了多模梯度石英光纤的拉丝、涂杂技术及其对光纤性能影响,对于GeO2-P2O5-SiO2三元系采用该技术可望获得强度～100kpsi,0.85μm损耗～2.5db/km,1.30μm损耗～0.7db/km,丝径125±3μm的涂复均匀、同心度良好的一次涂复光纤。文后列有一批反映工艺重复性的数据。

Drawing and coating techniques of multi-mode graded-index silica optical fiber and their influences on the optical, mechanical properties are described. High-quality optical fibers with short wavelength loss (at 0.85μm)～2.5db/km, long wavelenth loss (at 1.8μ/m)～0.7db/km, strength ～100kpsi, fiber diameter 125±8μm and good coating concentricity may be fabricated by this technique for ternary system of GeO2-P2O5-SiO2. In addition, technological repeat was identified by some of the new data given in the end of this paper.