EVALUATION OF MATERIAL DISPERSION USING A NANOSECOND OPTICAL PULSE RADIATOR

被引：15

作者：

HORIGUCHI, M

OHMORI, Y

MIYA, T

机构：

[1] Nippon Telegraph and Telephone Public Corporation, Ibaraki Electrical Communication Laboratory, Tokai, Ibaraki-ken

来源：

APPLIED OPTICS | 1979年 / 18卷 / 13期

关键词：

D O I：

10.1364/AO.18.002223

中图分类号：

O43 [光学];

学科分类号：

070207 ; 0803 ;

摘要：

To study the material dispersion effects on graded-index fibers, a method for measuring the material dispersion in optical glass fibers has been developed. Nanosecond pulses in the 0.5-1.7-μm region are generated by a nanosecond optical pulse radiator and grating monochromator. These pulses are injected into a GeO2-P2O5-doped silica graded-index fiber. Relative time delay changes between different wavelengths are used to determine material dispersion, core glass refractive index, material group index, and optimum profile parameter of the graded-index fiber. From the measured data, the optimum profile parameter on the GeO2-P2O5-doped silica graded-index fiber could be estimated to be 1.88 at 1.27 μm of the material dispersion free wavelength region and 1.82 at 1.55 μm of the lowest-loss wavelength region in silica-based optical fiber wave guides. © 1979 Optical Society of America.

引用

页码：2223 / 2228

页数：6

共 17 条

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