Device for connecting optical fibers

An optical fiber connection device comprising two coupling elements that are shaped to be inserted in respective cavities in two cooperating connector housings, each of the two coupling elements comprising:

• a first bar having a first end and a second end and axially containing an optical fiber segment, wherein the first bar is a fiber bar, the first end of said first bar is in contact with an end of a corresponding optical fiber, and the second end of said first bar is situated at a predetermined distance from a lens held stationary in said coupling element,
• wherein the coupling elements respectively include male and female conical engagement endpieces having the same cone angle, said lenses being at a desired distance apart when the conical endpieces are in contact, and
• wherein the second end of the first bar has a slanting truncated conical shape.

An optical fiber connection device for optically connecting two optical fibers, comprising:

• a female coupling element including a lens and a female engagement endpiece, the female engagement endpiece having an inner surface with a conical shape defining a cone angle;
• and
• a male coupling element including a lens and a male engagement endpiece, the male engagement endpiece having an outer surface with a conical shape defining a cone angle, said male engagement endpiece configured to slidably engage with the female engagement endpiece, wherein the cone angle of the male engagement endpiece is the same as the cone angle of the female engagement endpiece such that the outer surface of the male engagement endpiece maintains contact with the inner surface of the female engagement endpiece when the optical fibers are optically connected.