Rib optical waveguide and method of manufacturing the same
AssigneeOMRON Corporation
InventorsNoriyoshi Horie, Hayami Hosokawa, Masami Tada, Tsukasa Yamashita, Tatsuo Ohgaki, Hironobu Kiyomoto
Life of this patent
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Abstract
On a substrate (1), a core layer (2) is formed such that the core layer (2) includes a rib section (2a) fabricated to be integral therewith. The core layer (2) and the rib section (2a) are formed with a liquid material to be solidified under an energy irradiation, for example, a UV-setting resin. A clad layer (3) is disposed on the core layer (2). A buffer layer (4) is formed between the core layer (2) and the substrate (1).
Claims99
A rib-type branching optical waveguide comprising:
- a first rib section forming a basic optical waveguide;
- and
- at least two second rib sections respectively forming branch optical waveguides branching from said basic optical waveguide, said second rib sections branching from said first rib section wherein
- in a section where said first and second rib sections are connected to each other, at least either a center portion of said first rib section or an inner portion of each of said second rib sections has a smaller thickness than the remaining portion thereof.
A rib-type corner-bent optical waveguide comprising:
- a substrate;
- and
- a core layer formed on said substrate and having a raised rib section, said rib section being raised in a thickness direction of said core layer and including a bent section which has a radially outer portion and a radially inner portion, said radially inner portion of said bent section having a larger dimension in said thickness direction than said radially outer portion of said bent section.
A beam contour conversion device comprising:
- a substrate;
- and
- a core layer formed on said substrate, said core layer including a rib section wherein
- said rib section is formed, in order to convert a beam contour of a propagation light into a predetermined shape, to have a cross-sectional contour which is continuously varied along a longitudinal direction of the rib section.
A rib optical waveguide comprising:
- a substrate;
- and
- a core layer formed on said substrate, said core layer including a rib section,
- said core layer being formed with a liquid material which is solidified under an energy irradiation,
- said rib section including at a predetermined position thereof a grating which is integral with said rib section, said grating being formed by a periodically altered thickness of said rib section.
A three-dimensional optical circuit comprising:
- a substrate;
- and
- a plurality of core layers, each including a rib section, arranged said substrate, said plurality of core layers being spatiality separated in a direction normal to an upper surface of said substrate to provide a three-dimensional array of said plurality of core layers.
A rib optical waveguide comprising:
- a substrate;
- and
- a core layer formed on said substrate, said core layer including a rib section,
- said core layer being formed on at least two surfaces of said substrate.
Dependencies are inferred from the claim text.