US Patent 7766557 Expanded beam connector and expanded beam optoelectronic device

The fiber optic connector includes a housing, a first lens, a second lens, a first ferrule, a second ferrule, a first optical fiber, a second optical fiber, an o-ring, and a clip. The housing includes a collar, a mounting portion, and a groove formed in the mounting portion. The first and second lenses, and the first and second ferrules are attached to the housing. The first and second optical fibers are attached to the first and second ferrules, respectively. The first and second lenses are in optical communication with the first and second optical fibers, respectively. The o-ring is attached to the collar. The clip is mounted to the groove formed in the mounting portion of the housing. The fiber optic connector is mountable to a back-plane of a host device.