The TrueDepth camera system in iPhone X includes a small Infrared laser called a VCSEL that sprays dots onto the user’s face, which another sensor in the device then reads to create a 3D depth map and enables Face ID to function.
Digitimes reports companies in the VCSEL supply chain are reporting positive outlooks thanks to Apple’s upcoming fall lineup. The company is preparing to debut three new iPhones and two new iPads with Face ID.
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