Patent ID: 7909518

Claim:
An optical assembly comprising: an optical package having a wall with an aperture and comprising a laser device capable of emitting a laser beam through the aperture; a collimator comprising a sleeve defining a first end and a second end, said collimator comprising a terminating portion of an optical fibre; and a joint element having a first and a second surface, said first surface contacting the wall around the aperture in a first contact area, and said second surface comprising a convex surface contacting a portion of the surface of said sleeve in correspondence of its first end in a second contact area, said convex surface being at least partially inserted in said sleeve, so that said collimator is aligned with respect to said laser beam, wherein said joint element comprises a through-hole which overlaps said aperture, and wherein said through-hole has circular cross-section and a diameter of said cross section increases going from the first surface toward the second surface.