Patent ID: 11867949
Assignee: ENPLAS CORPORATION
Field: Optics (Instruments)
Classification: CPC G | IPC G

Claim 0:
1. An optical receptacle configured to optically couple a photoelectric conversion element including and an optical transmission member when the optical receptacle is disposed between the optical transmission member and a photoelectric conversion element package including the photoelectric conversion element, the optical receptacle comprising:
a first optical surface configured to allow, to enter the optical receptacle, light emitted from the photoelectric conversion element package, or emit, toward the photoelectric conversion element package, light travelled inside the optical receptacle;
a second optical surface configured to emit, toward the optical transmission member, the light travelled inside the optical receptacle, or allow, to enter the optical receptacle, light emitted from the optical transmission member;
a cylindrical part disposed to surround the first optical surface and configured to house at least a part of the photoelectric conversion element package such that the first optical surface and the photoelectric conversion element face each other; and
a first groove part disposed at a periphery of the first optical surface, wherein
at least a part of a light path between the first optical surface and the second optical surface is surrounded by the first groove part.