Optical element having inclined surface

Details Optical element having inclined surface Optical element having inclined surface

G - Physics

02

B

G02B 5/00 (2006.01) G02B 3/00 (2006.01) G02B 6/26 (2006.01) G02B 6/32 (2006.01) G02B 6/34 (2006.01) G02B 13/00 (2006.01)

Patent

CA 2365802

A rod lens for an optical communication module is not easily damaged. An input side end surface of the rod lens has an inclined surface. The inclined surface is inclined by a predetermined angle with respect to a central axis of the rod lens to reduce the reflection loss. A flat contact surface, which is perpendicular to the central axis, is formed on the distal end of the rod lens. By simply arranging two of the rod lenses to contact each other; the rod lenses are optically coupled in the optimum manner without being damaged.

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