Patent ID: 7309169
Filing Date: 2007-12-18
Classification: G02B,H04B

Abstract:
1. An optical communication device for optical fibers, of the transceiver type comprising: electronic emission and receiver means, a light emission source, a photoreceiver; and optical means for sending an emit light beam output by the emission source onto the entry face of a single optical fiber and, to couple a receive light beam, coming from said optical fiber onto the photoreceiver, wherein the entry face of the optical fiber is inclined at an angle θ close to 45° to the optical axis of the optical fiber, the emission source lying on an axis inclined at an angle δ to said optical axis so that the emit beam is transmitted into the optical fiber and, since the photoreceiver lies on an axis obtained by reflection of the optical axis of the fiber on the entry face, so that the receive beams are transmitted to the photoreceiver by reflection on the entry face, the emit beam being incident on said entry face of the fiber being bounded by a solid angle α and the receive beam being incident on said entry face being bounded by a solid angle β, the solid angle α being essentially separate from the solid angle β, allowing geometrical separation of the emit and receive beams.