Decreasing cost of IR lasers to boost 3D sensing: Page 5 of 5

July 15, 2019 //By Julien Happich
IR lasers
Consulting firm IDTechEx presents some insights from its recently published report “Laser Diodes & Direct Diode Lasers 2019-2029: Technologies, Markets & Forecasts”, where technology analyst Dr Nilushi Wijeyasinghe highlights the progress made in optical 3D sensing and its mass adoption enabled by the decreasing cost of IR lasers.

While most automotive lidar products are amplitude-modulated systems based on pulsed laser diodes, frequency-modulated continuous wave (FMCW) lidar is an emerging technology trend. FMCW lidar uses CW laser diodes and radar signal processing methods to deliver accurate information on object velocity in addition to object distance. Another advantage of FMCW lidar is the reduced risk of interference from other light sources, such as lidars in passing vehicles. Companies developing innovative FMCW lidar technologies include ZVISION (China) and Blackmore (USA). Blackmore were acquired by the self-driving car company Aurora (USA) in May 2019. As automotive companies compete to achieve higher levels of vehicle autonomy, IDTechEx expects increased adoption of laser diodes in automotive markets for lidar systems and in-cabin monitoring applications.

IDTechEx -

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