Patent ID: 7796851
Filing Date: 2010-09-14
Classification: G02B

Abstract:
1. An optical waveguide comprising: a first clad layer; a core layer formed on the first clad layer to extend in a reference plane and configured to propagate light; a second clad layer formed on the first clad layer and covering the core layer, said second clad lay having a first top surface located opposite the first clad layer; and a light propagation direction changing part made of a metal block or a metal alloy block having a light propagation direction changing surface and configured to change a propagation direction of the light propagating the core layer; and a sealing part configured to seal the light propagation direction changing, and having a second top surface that is located on a plane approximately matching the first top surface, wherein the light propagation direction changing part is formed within a groove that penetrates the second clad layer and the core layer and extends in a predetermined direction approximately perpendicular to the reference plane, the light propagation direction changing part makes direct contact with a first surface defining a bottom of the groove and a second surface defining a first side of the groove extending in the predetermined direction, and the light propagation direction changing surface of the light propagation direction changing part forms a predetermined inclination angle to the reference plane.