Abstract
Orbital angular momentum (OAM) of light has drawn increasing attention due to its intriguingly rich physics and potential for a variety of applications. Having an unbounded set of orthogonal states, OAM has been used to enhance the channel capacity of data transmission. We propose and demonstrate the viability of using OAM to create an automultiscopic 3D display. Multi-view image information is encoded using an OAM beam array, then sorted into different view directions using coordinate transformation elements. A three-view demonstration was achieved to encode and decode 9 × 9 pixel images. These demonstrations suggest that OAM could potentially serve as an additional platform for future 3D display systems.
Highlights
The recent convergence of advances in display technology, image capturing, signal processing and optical communications has generated a paradigm shift in how information is collected, conveyed and rendered. This area of research has been developed rapidly due to the widespread use of flat panel displays [1] and spatial light modulators (SLMs), especially those based on liquid crystals (LC) [2]
We present an autostereoscopic multi-view 3D display architecture based on the multiplexing and demultiplexing of Orbital angular momentum (OAM)-carrying beams
We have demonstrated a proof-of-concept three-view 3D display based on the mode orthogonality between OAMcarrying optical beams
Summary
The recent convergence of advances in display technology, image capturing, signal processing and optical communications has generated a paradigm shift in how information is collected, conveyed and rendered. This area of research has been developed rapidly due to the widespread use of flat panel displays [1] and spatial light modulators (SLMs), especially those based on liquid crystals (LC) [2]. One of the most significant drawbacks in above methods is the tradeoff between image resolution in each view and the number of viewpoints [9]. The need to wear polarization or shutter glasses is a major concern; polarization supports only two-views supporting only a single correct perspective and requiring tracking for varying viewpoints; while shutter glasses require active glasses
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