Micro lens

Abstract

The micro lens is connected with an optical fiber, the micro lens is in a cone shape, the side generatrix of the cone is a straight line, the cone is provided with an axis, the included angle between the side generatrix and the axis is a semi-apex angle, the cone is provided with a bottom face, and the bottom face is provided with an opening. The size of the cross section of the cone is continuously reduced from the bottom surface of the cone to the vertex of the cone, and the semi-vertex angle is shown in the specification. The effective information amount transmitted by the optical fiber is increased. 本发明公开了一种微透镜，所述微透镜连接光纤，所述微透镜呈圆锥型，所述圆锥的侧面母线为直线，所述圆锥具有轴线，所述侧面母线与所述轴线之间的夹角为半顶角ɵ，所述圆锥具有底面，从所述圆锥的底面至所述圆锥的顶点所述圆锥的横截面尺寸连续减小，所述半顶角ɵ为。本发明提高了光纤传递的有效信息量。