Planar waveguide element
US8942521B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Feb 5, 2013 |
| Grant date | Jan 27, 2015 |
| Priority date | — |
| Expiry date | Aug 10, 2033 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG02B6/30
- WIPO fieldOptics
- WIPO sectorInstruments
Abstract
Disclosed is a planar waveguide element including a first cylindrical lens disposed based on an z-axis and configured to collimate beams emitted from a plurality of emitters of a laser diode bar; a lens array configured to gather the beam emitted from each emitter via the first cylindrical lens; a plurality of first waveguides existing on an x-y plane by a number of the plurality of emitters and configured to gather at one place via a bending section; a taper configured to connect the lens array and each first waveguide, a width of the taper being narrower from the lens array to the plurality of first waveguide; and a combined waveguide configured to combine the plurality of first waveguides into one.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.