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By Mike Wuerthele
Thursday, November 01, 2018, 10:02 am PT (01:02 pm ET)
Ming-Chi Kuo is predicting an improved image of the system in the future. The system will be implemented in the September 2019 iPhone lineup, with the improvements in the camera intended to improve performance across the board.
TrueDepth camera in use in Face ID system.
In a note seen by AppleInsider Kuo writes that he believes Apple will raise the power of the flood illuminator vertical cavity surface emitting laser (VCSEL) central to the Face ID system. The improvements will lower the impacts of invisible infrared light in the environment, making for a more accurate system.
The same report claims that "time of flight" will be used in the future as a result of the date of 2019. the iPhone until the second half of 2020, though.
"Time of flight" will not only improve range-finding by a device, but it will also increase the ability to increase accuracy. The best element will calculate how long it takes to get a signal from the iPhone to get back to the iPhone. This, in turn, allows for greater accuracy and more accuracy.
The vertical cavity surface emitting laser (VCSEL) is a diode with the laser emitting perpendicular from the top surface of the assembly, rather than a directional lens. VCSEL applications at low power include optical mice and laser printers. At slightly higher power, such as those that Lumentum is selling, they can be used as precise rangefinders, and texture mappers -and still be invisible to the naked eye.
Apple currently uses VCSEL arrays to power the TrueDepth camera, and subsequently, Face ID in the iPhone XR, iPhone XS, and iPhone XS Max. Sometimes referred to as structured light modules, VCSEL components make up the dot projector in Apple's 3D modeling apparatus, which also includes an infrared flood illuminator, and infrared camera and color cameras.
Apple's main VCSEL supplier Lumentum was founded in 2015. The company claims that it is a "virtually every type of telecom, enterprise, and data center network." Lumentum's Chief Quality Officer Misha Rozenberg held a senior engineering position at Apple between 1989 and 1994.
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