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Working Principle Demonstration of the Dot Projector with Physical Optics Modeli
Time: 2019-09-23 16:09Source: infocrops.comWriter: infocrops
Dot projector is a key component that enables Apple‘s Face ID. The system usually consists of an array of light light emitting units, lenses, and beam splitting grating(s). The lens system together with the grating(s) will project and make several duplications of the array source pattern. In this example, we build up such a dot-projector system and demonstrate how it works. With VirtualLab Fusion, we perform both ray and field tracing for the system analysis.
 
 
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