Laser module, optical engine, and xr glasses
AssigneeTDK Corporation
InventorYusuke SHIGETA
Life of this patent
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Abstract
The laser module 1000 includes, in a package 110, a plurality of subcarriers 20, a plurality of laser elements 30 mounted on the main surfaces of the plurality of subcarriers 20, and an optical waveguide substrate 40 having an optical waveguide layer 50 on its main surface, the optical waveguide layer 50 having an optical waveguide 51 for guiding the laser light respectively emitted from the plurality of laser elements 30. A getter material 60 for adsorbing volatile organic compounds is disposed on the upper surface of the optical waveguide layer 50 near the incident surface of the optical waveguide layer 50 where the laser light is incident.
Claims20
A laser module comprising:
- a plurality of laser element bases;
- a plurality of laser elements mounted on the respective main surfaces of the plurality of laser element bases;
- and
- an optical waveguide substrate having an optical waveguide layer on its main surface, the optical waveguide layer having an optical waveguide for guiding laser light respectively emitted from the plurality of laser elements;
- wherein the plurality of laser element bases, the plurality of laser elements, and the optical waveguide substrate are provided in a package,
- wherein a first getter material for adsorbing volatile organic compounds is disposed on the upper surface of the optical waveguide layer in the vicinity of the incident surface of the optical waveguide layer on which the laser light is incident.
Dependencies are inferred from the claim text.