Millburn IP PLLC
Optical system having an improved signal-to-noise ratio of eye-tracking
An optical system includes a grating including at least one substrate and a grating structure coupled to the at least one substrate. The grating structure is configured to diffract a first light having an incidence angle within a predetermined range. The optical system also includes a polarizer configured to transmit the first light diffracted by the grating structure and block a second light reflected by a surface of the at least one substrate.
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Garam Andrew John Gregory Olegovic Junren Barry David Mengfei Babak Robin Lu Yun-Han Fenglin
Young Ouderkirk Andreev Wang Silverstein Wang Amirsolaimani Sharma Lu Lee Peng