Jake Li

Marketing Engineer, Hamamatsu

Jake Li is a marketing engineer at Hamamatsu (Bridgewater, NJ).

FIGURE 1. Beam divergence depends on the ratio of the wavelength and aperture diameter of the emitting antenna (radar) or lens (lidar). This ratio is larger for radar producing larger beam divergence and, therefore, smaller angular resolution. In the figure, the radar (black) would not be able to differentiate between the two cars, while lidar (red) would.
Lasers & Sources

Lidar: A photonics guide to the autonomous vehicle market

Nov. 9, 2017
Lidar vs. competing sensor technologies (camera, radar, and ultrasonic) reinforces the need for sensor fusion, as well as careful selection of photodetectors, light sources, and...