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Integrated Photonics Looks to Advance Safety for Lidar

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The present-day landscape of lidar is highly competitive and is poised to make a leap forward in cost savings and safety with silicon photonics.

MEHDI ASGHARI, SiLC TECHNOLOGIES INC.

The history of radar (radio detection and ranging) dates back to the 1880s when renowned German physicist Heinrich Hertz showed that radio waves were reflected by metallic objects. Based on the principles demonstrated by Hertz, Christian Hülsmeyer, a German engineer, received a patent in 1906 for radar’s first practical application in maritime navigation. Radar developments then went into full swing prior to WWII for air defense purposes. With advancements in semiconductor technology, radar is now ubiquitous in a multitude of applications ranging from air traffic control to...Read full article

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    Published: June 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...
    integrated photonics
    Integrated photonics is a field of study and technology that involves the integration of optical components, such as lasers, modulators, detectors, and waveguides, on a single chip or substrate. The goal of integrated photonics is to miniaturize and consolidate optical elements in a manner similar to the integration of electronic components on a microchip in traditional integrated circuits. Key aspects of integrated photonics include: Miniaturization: Integrated photonics aims to...
    radarlidarautonomous systemstime-of-flight lidarsTOF lidarsFMCW lidarspulsed lidarsautomotive radareye safetyintegrated silicon photonicsintegrated photonicsscanning lidarsfrequency-modulated continuous wave lidarsFeatures

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