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9 March 2020 Application of 2D matrix-addressable VCSEL arrays with micropatterned lensplates for the solid-state LiDAR sensors (Conference Presentation)
Chan M. Lim, Jung Hoonil, Changmo Jeong, Heesun Yoon, Jongkyu Jung, Jaihi Cho, Philhyun Jung, Dongju Jang, Juseong Jeong
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Proceedings Volume 11300, Vertical-Cavity Surface-Emitting Lasers XXIV; 1130003 (2020) https://doi.org/10.1117/12.2544574
Event: SPIE OPTO, 2020, San Francisco, California, United States
Abstract
We have developed a solid-state LiDAR sensor with combination of pixelized laser beam sources and BCSCs (beam collimation and steering components). We utilized 2-Dimensional matrix addressable VCSEL arrays as Laser sources. Additionally two alternatives, combination of a microlens and a microprism plate and metalens plates, are tested as a candidate of the BCSC. This technology enables us to realize true solid-state LiDARs without mechanically moving part for scanning laser beams. We verified that our LiDAR can detect the objects which are in range of 100 meters and FOV (field of view) can be spanned up to 360o by combing of multiple sensor modules. The key components were fabricated semiconductor processing and paves the way for disruptive robust and mass-producible LiDAR sensors.
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Chan M. Lim, Jung Hoonil, Changmo Jeong, Heesun Yoon, Jongkyu Jung, Jaihi Cho, Philhyun Jung, Dongju Jang, and Juseong Jeong "Application of 2D matrix-addressable VCSEL arrays with micropatterned lensplates for the solid-state LiDAR sensors (Conference Presentation)", Proc. SPIE 11300, Vertical-Cavity Surface-Emitting Lasers XXIV, 1130003 (9 March 2020); https://doi.org/10.1117/12.2544574
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KEYWORDS
Vertical cavity surface emitting lasers
LIDAR
Sensors
Solid state electronics
Collimation
Light sources
Microlens array
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