philip lelyveld The world of entertainment technology


See-through Light Field Displays for Augmented Reality

Here, we introduce an optical tool, holographic optical element (HOE), which can be applied for AR applications. HOEs are holographic volume grat- ings, which have transparency and distinctive optical characteris- tics. HOEs can perform the roles of optical elements by transform- ing an incident wavefront to a predefined wavefront via diffraction [Close 1975]. Since HOEs are usually recorded in thin film such as photopolymers, they have various advantages in weight, cost, and thickness. Thus, there have been several applications using HOEs, including see-through light field displays [Hong et al. 2014] and head-mounted displays [Kasai et al. 2001].

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