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Holographic Optical Elements (HOEs) are used to enhance image quality with narrow-bandwidth laser light sources. Adding compensating HOEs can increase the Eyebox when using micro OLEDs with a wide spectral bandwidth. However, achieving a 15mm Eyebox remains challenging without user calibration for interpupillary distance. This presentation explores increasing the Eyebox in the off-axis reflector AR NED using Holographic multi-configuration, which involves angular multiplexing HOEs at two different angles. The research team designed prototypes and compared models with and without Holographic Multi-configuration. In conclusion, the study presents a prototype structure using a wide spectral bandwidth uOLED and two angularly multiplexed HOEs to achieve a larger Eyebox. |
