Patent ID: 8599655
Filing Date: 2013-12-03
Classification: G11B

Abstract:
1. A near field light generator comprising: a waveguide comprising a core and a clad brought into contact with the core, to guide light comprising an electric field component perpendicular to an interface between the core and the clad, and a metallic structure body provided on an outputting end face onto which light of the waveguide is output, to generate near field light by receiving light guided by the waveguide, wherein the metallic structure body is placed straddling the core and the clad on the outputting end face in such a way that the metallic structure body receives the electric field component protruding from the interface to the clad, and wherein the metallic structure body comprises a sharpened portion in its shape, the sharpened portion being placed in such a way that the sharpened portion is present in the clad.