In this paper, when assuming a Gaussian near field distribution on the cross section of single-modefiber, it has been derived theoretically that the far field is also a Gaussian distribution.
本文在假定单模光纤横端面上的近场为高斯分布的前提下，从理论上导出了其远场分布也是高斯分布。
2
Amplified anti-Stokes Raman spontaneous backscattering phenomena has been observed in singlemodefiber, during input laser power is large than threshold power.
在单模光纤中，输入的激光功率大于阈值时，出现放大的反斯托克斯·拉曼背向自发散射现象。
3
It studies the vertical uniformity of singlemodefiber attenuation through measurement and gives its evaluation on the uniformity of present singlemode fibers.