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Lidar Emitter and Detector Technologies

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Automotive industry demands are challenging manufacturers of pulsed laser diodes and avalanche photodiodes to create new and customized responses.

MATT ROBINSON, LASER COMPONENTS USA INC.

For many decades, lidar has been a successful technology for traffic monitoring and speed control. Self-driving transport vehicles in factory halls even use it for navigation. During all this time, the main components — namely pulsed laser diodes (PLDs) and the detecting photodiodes — have remained more or less the same. But increasing research in autonomous passenger vehicles has triggered new technological developments on both the emitting and receiving ends. PLDs that generate ultrashort pulses at high repetition rates enable faster and more precise 3D lidar scanning....Read full article

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    Published: September 2019
    Glossary
    lidar
    Lidar, short for light detection and ranging, is a remote sensing technology that uses laser light to measure distances and generate precise, three-dimensional information about the shape and characteristics of objects and surfaces. Lidar systems typically consist of a laser scanner, a GPS receiver, and an inertial measurement unit (IMU), all integrated into a single system. Here is how lidar works: Laser emission: A laser emits laser pulses, often in the form of rapid and repetitive laser...
    lidarPulsed Laser DiodesPLDsavalanche photodiodesALDsPIN diodesself-driving vehiclessensor unitsLidar Special Section

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