| 摘要 |
A collimating rod lens (100) for fiber optic communication with a cylindrical envelope surface (110), and a spherical convex front surface (120), wherein the lens has a particular length L and a particular radius R of the curvature of the lens, and the spherical convex front surface (120) is given by R=A* L + B, wherein A is a first optical glass parameter from 0,3 to 0,6; B is a second optical glass parameter from -0,1 to +0,1; the length L is from 2 to 8 mm; and the radius R of the curvature is from 0,5 to 3,5 mm. |
