| 摘要 |
To provide an optical device that can be made thinner. A connection structure for an optical device including a plug provided at one end of an optical transmission medium wherein the plug is attached to a receptacle to thereby achieve an optical coupling between the one end of the optical transmission medium and a specified optical element, wherein the plug ( 2 ) is equipped with a protruded section ( 20 ) extending near a center and along a longitudinal direction of the optical transmission medium ( 3 ), and cut sections ( 21 ) provided on both sides of the protruded section, and the receptacle ( 1 ) is equipped with a substrate ( 10 ) having one surface side on which the plug is mounted, a first positioning member ( 15 ) that is provided on the one surface side of the substrate, exposes the protruded section and abuts against the cut sections of the plug for positioning the plug in a thickness direction thereof, and a second positioning member ( 11 ) that is provided on the one surface side of the substrate, and abuts against side sections of the plug for positioning the plug in a direction orthogonal to the thickness direction of the plug and the longitudinal direction of the optical transmission medium, respectively.
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