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Lidar Design Optimization with Advanced Optical Resins

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Designers of today’s precision automotive lidar systems require seamless access to specialty polymer and metals data.

SOMASEKHAR BOBBA VENKAT, MARTIN SAS, AND SUBHRANSU MOHAPATRA, SABIC

A TOF illustration generated using COMSOL modeling software. Courtesy of SABIC. Designing new automotive lidar systems is a complex process, made easier with access to finite element method simulation software and materials data. One of the key simulations performed is time of flight (TOF), a process that measures the laser light’s travel time to determine distance to an object. The distance is based on the time elapsed between emission of the signal or pulse and its return to the detector after being reflected by the object (Figure 1). Figure 1. An illustration of the TOF...Read full article

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    Published: April 2020
    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...
    time of flight
    (TOF) The length of time needed for a signal to arrive at and be reflected from the target. The basis of an active autoranging/autofocus system.
    lidarFeaturestime of flightelectromagnetic interference shieldingEMI shieldingadvanced optical resinsspecialty polymersthermoplastic resinsmaterial performance requirementscomputer-aided engineeringCAE

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