Patent ID: 11966047
Assignee: TOBII AB
Field: Optics (Instruments)
Classification: CPC G | IPC G

Claim 0:
1. An eye tracking system implemented in a Head Mounted Device, comprising:
an illuminator arrangement, including at least one light source, configured to illuminate an eye of a user, wherein the illuminator arrangement includes a plurality of light sources and at least one p-polarized light source;
wherein the eye tracking system is configured to enable a reduction of reflections from an optic arrangement that is located in a light beam path between the illuminator arrangement and the eye when the eye tracking system is in use, and
wherein the eye tracking system is characterized in that the illuminator arrangement is configured to emit p-polarized light to be incident on a surface of the optic arrangement at an angle corresponding to, or substantially corresponding to, Brewster's angle.